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70653742 = 21941101449
BaseRepresentation
bin1000011011000…
…01011100101110
311220221120201021
410031201130232
5121041404432
611002204354
71515355405
oct415413456
9156846637
1070653742
1136978225
121b7b36ba
131183a263
14955263c
156309697
hex436172e

70653742 has 32 divisors (see below), whose sum is σ = 115668000. Its totient is φ = 32256000.

The previous prime is 70653703. The next prime is 70653763. The reversal of 70653742 is 24735607.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70653698 and 70653707.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 157134 + ... + 157582.

It is an arithmetic number, because the mean of its divisors is an integer number (3614625).

Almost surely, 270653742 is an apocalyptic number.

70653742 is a deficient number, since it is larger than the sum of its proper divisors (45014258).

70653742 is a wasteful number, since it uses less digits than its factorization.

70653742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 70653742 is about 8405.5780289044. The cubic root of 70653742 is about 413.4075362503.

The spelling of 70653742 in words is "seventy million, six hundred fifty-three thousand, seven hundred forty-two".

Divisors: 1 2 19 38 41 82 101 202 449 779 898 1558 1919 3838 4141 8282 8531 17062 18409 36818 45349 78679 90698 157358 349771 699542 861631 1723262 1859309 3718618 35326871 70653742