Search a number
-
+
145793024 = 21313372
BaseRepresentation
bin10001011000010…
…10000000000000
3101011100001102122
420230022000000
5244310334044
622244503412
73420135356
oct1054120000
9334301378
10145793024
1175329503
12409aab68
1324288080
14155117d6
15cbecdee
hex8b0a000

145793024 has 84 divisors (see below), whose sum is σ = 322712334. Its totient is φ = 65470464.

The previous prime is 145793017. The next prime is 145793029. The reversal of 145793024 is 420397541.

It can be written as a sum of positive squares in 3 ways, for example, as 143233024 + 2560000 = 11968^2 + 1600^2 .

It is not an unprimeable number, because it can be changed into a prime (145793029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3940334 + ... + 3940370.

Almost surely, 2145793024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145793024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161356167).

145793024 is an abundant number, since it is smaller than the sum of its proper divisors (176919310).

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

145793024 is an frugal number, since it uses more digits than its factorization.

145793024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 145793024 is about 12074.4782081877. The cubic root of 145793024 is about 526.3147985273.

The spelling of 145793024 in words is "one hundred forty-five million, seven hundred ninety-three thousand, twenty-four".

Divisors: 1 2 4 8 13 16 26 32 37 52 64 74 104 128 148 208 256 296 416 481 512 592 832 962 1024 1184 1369 1664 1924 2048 2368 2738 3328 3848 4096 4736 5476 6656 7696 8192 9472 10952 13312 15392 17797 18944 21904 26624 30784 35594 37888 43808 53248 61568 71188 75776 87616 106496 123136 142376 151552 175232 246272 284752 303104 350464 492544 569504 700928 985088 1139008 1401856 1970176 2278016 2803712 3940352 4556032 5607424 9112064 11214848 18224128 36448256 72896512 145793024