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75034025 = 5211281971
BaseRepresentation
bin1000111100011…
…10110110101001
312020012010022222
410132032312221
5123202042100
611240123425
71600531043
oct436166651
9166163288
1075034025
113939a1a0
1221166575
1312711c41
149d72a93
1568c2485
hex478eda9

75034025 has 24 divisors (see below), whose sum is σ = 101966688. Its totient is φ = 54320000.

The previous prime is 75034009. The next prime is 75034051. The reversal of 75034025 is 52043057.

It is not a de Polignac number, because 75034025 - 24 = 75034009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75033985 and 75034003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76790 + ... + 77760.

It is an arithmetic number, because the mean of its divisors is an integer number (4248612).

Almost surely, 275034025 is an apocalyptic number.

It is an amenable number.

75034025 is a deficient number, since it is larger than the sum of its proper divisors (26932663).

75034025 is a wasteful number, since it uses less digits than its factorization.

75034025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 75034025 is about 8662.2182493862. The cubic root of 75034025 is about 421.7800958904.

The spelling of 75034025 in words is "seventy-five million, thirty-four thousand, twenty-five".

Divisors: 1 5 11 25 55 275 281 971 1405 3091 4855 7025 10681 15455 24275 53405 77275 267025 272851 1364255 3001361 6821275 15006805 75034025