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88475257 = 136805789
BaseRepresentation
bin1010100011000…
…00011001111001
320011111000020101
411101200121321
5140122202012
612440155401
72123012233
oct521403171
9204430211
1088475257
1145a3a852
1225768b61
1315439c30
14ba71253
157b79d57
hex5460679

88475257 has 4 divisors (see below), whose sum is σ = 95281060. Its totient is φ = 81669456.

The previous prime is 88475243. The next prime is 88475269. The reversal of 88475257 is 75257488.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5683456 + 82791801 = 2384^2 + 9099^2 .

It is a cyclic number.

It is not a de Polignac number, because 88475257 - 223 = 80086649 is a prime.

It is a super-2 number, since 2×884752572 = 15655742202432098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88475207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402882 + ... + 3402907.

It is an arithmetic number, because the mean of its divisors is an integer number (23820265).

Almost surely, 288475257 is an apocalyptic number.

It is an amenable number.

88475257 is a deficient number, since it is larger than the sum of its proper divisors (6805803).

88475257 is a wasteful number, since it uses less digits than its factorization.

88475257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805802.

The product of its digits is 627200, while the sum is 46.

The square root of 88475257 is about 9406.1286935700. The cubic root of 88475257 is about 445.5953098066.

The spelling of 88475257 in words is "eighty-eight million, four hundred seventy-five thousand, two hundred fifty-seven".

Divisors: 1 13 6805789 88475257