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70587942 = 2316936949
BaseRepresentation
bin1000011010100…
…01011000100110
311220211020110020
410031101120212
5121032303232
611000540010
71514662515
oct415213046
9156736406
1070587942
1136932847
121b781606
1311816319
14953667c
1562e4e2c
hex4351626

70587942 has 16 divisors (see below), whose sum is σ = 141279600. Its totient is φ = 23512032.

The previous prime is 70587929. The next prime is 70587973. The reversal of 70587942 is 24978507.

It is a junction number, because it is equal to n+sod(n) for n = 70587894 and 70587903.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6684 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (8829975).

Almost surely, 270587942 is an apocalyptic number.

70587942 is an abundant number, since it is smaller than the sum of its proper divisors (70691658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70587942 is a wasteful number, since it uses less digits than its factorization.

70587942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8647.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 70587942 is about 8401.6630496587. The cubic root of 70587942 is about 413.2791605786.

The spelling of 70587942 in words is "seventy million, five hundred eighty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 1693 3386 5079 6949 10158 13898 20847 41694 11764657 23529314 35293971 70587942