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70103960 = 2351752599
BaseRepresentation
bin1000010110110…
…11001110011000
311212220122112222
410023123032120
5120421311320
610542323212
71510605503
oct413331630
9155818488
1070103960
1136632163
121b589508
13116a6c44
14944c13a
15624b825
hex42db398

70103960 has 16 divisors (see below), whose sum is σ = 157734000. Its totient is φ = 28041568.

The previous prime is 70103953. The next prime is 70103981. The reversal of 70103960 is 6930107.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 876260 + ... + 876339.

It is an arithmetic number, because the mean of its divisors is an integer number (9858375).

Almost surely, 270103960 is an apocalyptic number.

It is an amenable number.

70103960 is an abundant number, since it is smaller than the sum of its proper divisors (87630040).

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

70103960 is a wasteful number, since it uses less digits than its factorization.

70103960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752610 (or 1752606 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 70103960 is about 8372.8107586401. The cubic root of 70103960 is about 412.3324523104.

The spelling of 70103960 in words is "seventy million, one hundred three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1752599 3505198 7010396 8762995 14020792 17525990 35051980 70103960