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23490700 = 2252234907
BaseRepresentation
bin101100110011…
…1000010001100
31122012110011221
41121213002030
522003200300
62155253124
7403445002
oct131470214
948173157
1023490700
1112294a02
127a4a1a4
134b3622c
143196a72
1520e031a
hex166708c

23490700 has 18 divisors (see below), whose sum is σ = 50975036. Its totient is φ = 9396240.

The previous prime is 23490679. The next prime is 23490703. The reversal of 23490700 is 709432.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23490703) 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 5 ways as a sum of consecutive naturals, for example, 117354 + ... + 117553.

Almost surely, 223490700 is an apocalyptic number.

23490700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23490700 is an abundant number, since it is smaller than the sum of its proper divisors (27484336).

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

23490700 is a wasteful number, since it uses less digits than its factorization.

23490700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234921 (or 234914 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 23490700 is about 4846.7205407368. The cubic root of 23490700 is about 286.3949260724.

The spelling of 23490700 in words is "twenty-three million, four hundred ninety thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 234907 469814 939628 1174535 2349070 4698140 5872675 11745350 23490700