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23070500 = 225346141
BaseRepresentation
bin101100000000…
…0011100100100
31121102002202222
41120000130210
521401224000
62142251512
7400044635
oct130003444
947362688
1023070500
1112028232
127886b98
134a19bab
1430c788c
15205aa85
hex1600724

23070500 has 24 divisors (see below), whose sum is σ = 50387064. Its totient is φ = 9228000.

The previous prime is 23070469. The next prime is 23070533. The reversal of 23070500 is 507032.

It can be written as a sum of positive squares in 4 ways, for example, as 4734976 + 18335524 = 2176^2 + 4282^2 .

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, 22571 + ... + 23570.

It is an arithmetic number, because the mean of its divisors is an integer number (2099461).

Almost surely, 223070500 is an apocalyptic number.

23070500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23070500 is an abundant number, since it is smaller than the sum of its proper divisors (27316564).

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

23070500 is a wasteful number, since it uses less digits than its factorization.

23070500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46160 (or 46148 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 23070500 is about 4803.1760325851. The cubic root of 23070500 is about 284.6769706215.

Adding to 23070500 its reverse (507032), we get a palindrome (23577532).

The spelling of 23070500 in words is "twenty-three million, seventy thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 46141 92282 184564 230705 461410 922820 1153525 2307050 4614100 5767625 11535250 23070500