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70488393 = 323496131
BaseRepresentation
bin1000011001110…
…01000101001001
311220122011220020
410030321011021
5121021112033
610554451053
71514066343
oct414710511
9156564806
1070488393
1136874a78
121b733a89
13117acc11
14950c293
1562c56b3
hex4339149

70488393 has 4 divisors (see below), whose sum is σ = 93984528. Its totient is φ = 46992260.

The previous prime is 70488377. The next prime is 70488427. The reversal of 70488393 is 39388407.

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 70488393 - 24 = 70488377 is a prime.

It is a super-2 number, since 2×704883932 = 9937227095444898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70488323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11748063 + ... + 11748068.

It is an arithmetic number, because the mean of its divisors is an integer number (23496132).

Almost surely, 270488393 is an apocalyptic number.

It is an amenable number.

70488393 is a deficient number, since it is larger than the sum of its proper divisors (23496135).

70488393 is a wasteful number, since it uses less digits than its factorization.

70488393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23496134.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 70488393 is about 8395.7365966305. The cubic root of 70488393 is about 413.0847889359.

The spelling of 70488393 in words is "seventy million, four hundred eighty-eight thousand, three hundred ninety-three".

Divisors: 1 3 23496131 70488393