Search a number
-
+
100232408 = 23173719919
BaseRepresentation
bin1011111100101…
…10110011011000
320222121100000102
411332112303120
5201124414113
613540154532
72324650523
oct576266330
9228540012
10100232408
1151640101
1229698a48
13179c5523
14d451bba
158bed758
hex5f96cd8

100232408 has 32 divisors (see below), whose sum is σ = 204379200. Its totient is φ = 45891072.

The previous prime is 100232387. The next prime is 100232443. The reversal of 100232408 is 804232001.

It is a super-2 number, since 2×1002324082 = 20093071226956928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100232408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4928 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (6386850).

Almost surely, 2100232408 is an apocalyptic number.

It is an amenable number.

100232408 is an abundant number, since it is smaller than the sum of its proper divisors (104146792).

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

100232408 is a wasteful number, since it uses less digits than its factorization.

100232408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19979 (or 19975 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 100232408 is about 10011.6136561495. The cubic root of 100232408 is about 464.5181859481.

Adding to 100232408 its reverse (804232001), we get a palindrome (904464409).

The spelling of 100232408 in words is "one hundred million, two hundred thirty-two thousand, four hundred eight".

Divisors: 1 2 4 8 17 34 37 68 74 136 148 296 629 1258 2516 5032 19919 39838 79676 159352 338623 677246 737003 1354492 1474006 2708984 2948012 5896024 12529051 25058102 50116204 100232408