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88470641 = 712638663
BaseRepresentation
bin1010100010111…
…11010001110001
320011110202220102
411101133101301
5140122030031
612440122145
72122662620
oct521372161
9204422812
1088470641
1145a37336
1225766355
1315437abc
14ba6d6b7
157b787cb
hex545f471

88470641 has 4 divisors (see below), whose sum is σ = 101109312. Its totient is φ = 75831972.

The previous prime is 88470637. The next prime is 88470653. The reversal of 88470641 is 14607488.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88470641 - 22 = 88470637 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 = 88470595 and 88470604.

It is not an unprimeable number, because it can be changed into a prime (88470691) 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, 6319325 + ... + 6319338.

It is an arithmetic number, because the mean of its divisors is an integer number (25277328).

Almost surely, 288470641 is an apocalyptic number.

It is an amenable number.

88470641 is a deficient number, since it is larger than the sum of its proper divisors (12638671).

88470641 is a wasteful number, since it uses less digits than its factorization.

88470641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638670.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 88470641 is about 9405.8833184343. The cubic root of 88470641 is about 445.5875603567.

The spelling of 88470641 in words is "eighty-eight million, four hundred seventy thousand, six hundred forty-one".

Divisors: 1 7 12638663 88470641