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23424072 = 2337139429
BaseRepresentation
bin101100101011…
…0110001001000
31122002001210020
41121112301020
521444032242
62154020440
7403046520
oct131266110
948061706
1023424072
1112249941
127a17720
134b11ac9
14317a680
1520ca6ec
hex1656c48

23424072 has 32 divisors (see below), whose sum is σ = 66926400. Its totient is φ = 6692544.

The previous prime is 23424067. The next prime is 23424077. The reversal of 23424072 is 27042432.

It is an interprime number because it is at equal distance from previous prime (23424067) and next prime (23424077).

It is a super-2 number, since 2×234240722 = 1097374298122368, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (23424077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69547 + ... + 69882.

It is an arithmetic number, because the mean of its divisors is an integer number (2091450).

Almost surely, 223424072 is an apocalyptic number.

It is an amenable number.

23424072 is an abundant number, since it is smaller than the sum of its proper divisors (43502328).

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

23424072 is a wasteful number, since it uses less digits than its factorization.

23424072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139445 (or 139441 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 23424072 is about 4839.8421461862. The cubic root of 23424072 is about 286.1238969608.

The spelling of 23424072 in words is "twenty-three million, four hundred twenty-four thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 139429 278858 418287 557716 836574 976003 1115432 1673148 1952006 2928009 3346296 3904012 5856018 7808024 11712036 23424072