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70628652 = 2233653969
BaseRepresentation
bin1000011010110…
…11010100101100
311220220022022000
410031123110230
5121040104102
611001452300
71515222303
oct415332454
9156808260
1070628652
1136960396
121b7a1090
131182ba03
14954743a
15630201c
hex435b52c

70628652 has 24 divisors (see below), whose sum is σ = 183111600. Its totient is φ = 23542848.

The previous prime is 70628651. The next prime is 70628687. The reversal of 70628652 is 25682607.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70628651) by changing a digit.

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, 326877 + ... + 327092.

It is an arithmetic number, because the mean of its divisors is an integer number (7629650).

Almost surely, 270628652 is an apocalyptic number.

It is an amenable number.

70628652 is an abundant number, since it is smaller than the sum of its proper divisors (112482948).

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

70628652 is a wasteful number, since it uses less digits than its factorization.

70628652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653982 (or 653974 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 70628652 is about 8404.0854350726. The cubic root of 70628652 is about 413.3585951146.

The spelling of 70628652 in words is "seventy million, six hundred twenty-eight thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 653969 1307938 1961907 2615876 3923814 5885721 7847628 11771442 17657163 23542884 35314326 70628652