Search a number
-
+
70619916 = 2235884993
BaseRepresentation
bin1000011010110…
…01001100001100
311220212212022110
410031121030030
5121034314131
611001344020
71515154653
oct415311414
9156785273
1070619916
1136954874
121b798010
1311827a43
14954419a
1562ee646
hex435930c

70619916 has 12 divisors (see below), whose sum is σ = 164779832. Its totient is φ = 23539968.

The previous prime is 70619881. The next prime is 70619933. The reversal of 70619916 is 61991607.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942485 + ... + 2942508.

Almost surely, 270619916 is an apocalyptic number.

It is an amenable number.

70619916 is an abundant number, since it is smaller than the sum of its proper divisors (94159916).

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

70619916 is a wasteful number, since it uses less digits than its factorization.

70619916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885000 (or 5884998 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 70619916 is about 8403.5656717848. The cubic root of 70619916 is about 413.3415517501.

The spelling of 70619916 in words is "seventy million, six hundred nineteen thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 5884993 11769986 17654979 23539972 35309958 70619916