Search a number
-
+
103007520 = 25325711929
BaseRepresentation
bin1100010001111…
…00010100100000
321011211022202100
412020330110200
5202332220040
614115450400
72360356320
oct610742440
9234738670
10103007520
1153166090
122a5b6a00
13184576c5
14d975280
15909ab30
hex623c520

103007520 has 288 divisors, whose sum is σ = 438721920. Its totient is φ = 21381120.

The previous prime is 103007477. The next prime is 103007537. The reversal of 103007520 is 25700301.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1030075202 = 21221098353100800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103007493 and 103007502.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110416 + ... + 111344.

It is an arithmetic number, because the mean of its divisors is an integer number (1523340).

Almost surely, 2103007520 is an apocalyptic number.

103007520 is a gapful number since it is divisible by the number (10) 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 103007520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219360960).

103007520 is an abundant number, since it is smaller than the sum of its proper divisors (335714400).

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

103007520 is a wasteful number, since it uses less digits than its factorization.

103007520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 103007520 is about 10149.2620421388. The cubic root of 103007520 is about 468.7662223719.

Adding to 103007520 its reverse (25700301), we get a palindrome (128707821).

The spelling of 103007520 in words is "one hundred three million, seven thousand, five hundred twenty".