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70497938 = 2710348889
BaseRepresentation
bin1000011001110…
…11011010010010
311220122122222202
410030323122102
5121021413223
610555003202
71514136230
oct414733222
9156578882
1070497938
1136881165
121b739502
13117b4374
149511950
1562c8428
hex433b692

70497938 has 16 divisors (see below), whose sum is σ = 122029440. Its totient is φ = 29919456.

The previous prime is 70497919. The next prime is 70497943. The reversal of 70497938 is 83979407.

It is a junction number, because it is equal to n+sod(n) for n = 70497892 and 70497901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23003 + ... + 25886.

It is an arithmetic number, because the mean of its divisors is an integer number (7626840).

Almost surely, 270497938 is an apocalyptic number.

70497938 is a deficient number, since it is larger than the sum of its proper divisors (51531502).

70497938 is a wasteful number, since it uses less digits than its factorization.

70497938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49001.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 70497938 is about 8396.3050206624. The cubic root of 70497938 is about 413.1034336904.

The spelling of 70497938 in words is "seventy million, four hundred ninety-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 103 206 721 1442 48889 97778 342223 684446 5035567 10071134 35248969 70497938