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23036025 = 352307147
BaseRepresentation
bin101011111100…
…0000001111001
31121100100111010
41113320001321
521344123100
62141424133
7366542265
oct127700171
947310433
1023036025
1112004341
12786b049
134a072ac
1430b90a5
152050750
hex15f8079

23036025 has 12 divisors (see below), whose sum is σ = 38086352. Its totient is φ = 12285840.

The previous prime is 23036023. The next prime is 23036029. The reversal of 23036025 is 52063032.

It is not a de Polignac number, because 23036025 - 21 = 23036023 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23035992 and 23036010.

It is not an unprimeable number, because it can be changed into a prime (23036023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153499 + ... + 153648.

Almost surely, 223036025 is an apocalyptic number.

23036025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23036025 is a deficient number, since it is larger than the sum of its proper divisors (15050327).

23036025 is a wasteful number, since it uses less digits than its factorization.

23036025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307160 (or 307155 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23036025 is about 4799.5859196393. The cubic root of 23036025 is about 284.5350992388.

Adding to 23036025 its reverse (52063032), we get a palindrome (75099057).

The spelling of 23036025 in words is "twenty-three million, thirty-six thousand, twenty-five".

Divisors: 1 3 5 15 25 75 307147 921441 1535735 4607205 7678675 23036025