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70720116 = 2235893343
BaseRepresentation
bin1000011011100…
…01101001110100
311221001221202120
410031301221310
5121101020431
611003435540
71516053045
oct415615164
9157057676
1070720116
1136a13085
121b825bb0
131186152c
14956c8cc
15631e196
hex4371a74

70720116 has 12 divisors (see below), whose sum is σ = 165013632. Its totient is φ = 23573368.

The previous prime is 70720103. The next prime is 70720123. The reversal of 70720116 is 61102707.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2946660 + ... + 2946683.

It is an arithmetic number, because the mean of its divisors is an integer number (13751136).

Almost surely, 270720116 is an apocalyptic number.

It is an amenable number.

70720116 is an abundant number, since it is smaller than the sum of its proper divisors (94293516).

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

70720116 is a wasteful number, since it uses less digits than its factorization.

70720116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893350 (or 5893348 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 70720116 is about 8409.5253135953. The cubic root of 70720116 is about 413.5369510699.

The spelling of 70720116 in words is "seventy million, seven hundred twenty thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 5893343 11786686 17680029 23573372 35360058 70720116