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7947056444 = 228323936917
BaseRepresentation
bin1110110011010111…
…00111010100111100
3202111211210021222212
413121223213110330
5112233421301234
63352324555552
7400635602525
oct73153472474
922454707885
107947056444
1134089a7148
121659552bb8
13998596c82
1455564584c
15317a3d5ce
hex1d9ae753c

7947056444 has 12 divisors (see below), whose sum is σ = 14074907784. Its totient is φ = 3925654224.

The previous prime is 7947056437. The next prime is 7947056459. The reversal of 7947056444 is 4446507497.

It is a super-2 number, since 2×79470564442 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7947056392 and 7947056401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11968127 + ... + 11968790.

It is an arithmetic number, because the mean of its divisors is an integer number (1172908982).

Almost surely, 27947056444 is an apocalyptic number.

It is an amenable number.

7947056444 is a deficient number, since it is larger than the sum of its proper divisors (6127851340).

7947056444 is a wasteful number, since it uses less digits than its factorization.

7947056444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23937004 (or 23937002 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The square root of 7947056444 is about 89146.2643300324. The cubic root of 7947056444 is about 1995.5782683490.

The spelling of 7947056444 in words is "seven billion, nine hundred forty-seven million, fifty-six thousand, four hundred forty-four".

Divisors: 1 2 4 83 166 332 23936917 47873834 95747668 1986764111 3973528222 7947056444