Search a number
-
+
103415424 = 273779487
BaseRepresentation
bin1100010100111…
…11111010000000
321012121001021220
412022133322000
5202433243144
614132315040
72364005460
oct612377200
9235531256
10103415424
11534145a2
122a772a80
131856b278
14da3dba0
15912b919
hex629fe80

103415424 has 128 divisors (see below), whose sum is σ = 318566400. Its totient is φ = 29113344.

The previous prime is 103415413. The next prime is 103415441. The reversal of 103415424 is 424514301.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 103415394 and 103415403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212109 + ... + 212595.

It is an arithmetic number, because the mean of its divisors is an integer number (2488800).

Almost surely, 2103415424 is an apocalyptic number.

103415424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103415424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159283200).

103415424 is an abundant number, since it is smaller than the sum of its proper divisors (215150976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103415424 is an equidigital number, since it uses as much as digits as its factorization.

103415424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 103415424 is about 10169.3374415446. The cubic root of 103415424 is about 469.3841700558.

Adding to 103415424 its reverse (424514301), we get a palindrome (527929725).

The spelling of 103415424 in words is "one hundred three million, four hundred fifteen thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 79 84 96 112 128 158 168 192 224 237 316 336 384 448 474 487 553 632 672 896 948 974 1106 1264 1344 1461 1659 1896 1948 2212 2528 2688 2922 3318 3409 3792 3896 4424 5056 5844 6636 6818 7584 7792 8848 10112 10227 11688 13272 13636 15168 15584 17696 20454 23376 26544 27272 30336 31168 35392 38473 40908 46752 53088 54544 62336 70784 76946 81816 93504 106176 109088 115419 153892 163632 187008 212352 218176 230838 269311 307784 327264 436352 461676 538622 615568 654528 807933 923352 1077244 1231136 1309056 1615866 1846704 2154488 2462272 3231732 3693408 4308976 4924544 6463464 7386816 8617952 12926928 14773632 17235904 25853856 34471808 51707712 103415424