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7969028 = 221992257
BaseRepresentation
bin11110011001100100000100
3112222212110012
4132121210010
54020002103
6442445352
7124510214
oct36314404
915885405
107969028
114553281
122803858
131860302
1410b6244
15a762d8
hex799904

7969028 has 6 divisors (see below), whose sum is σ = 13945806. Its totient is φ = 3984512.

The previous prime is 7969019. The next prime is 7969033. The reversal of 7969028 is 8209697.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 3717184 = 2062^2 + 1928^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996125 + ... + 996132.

It is an arithmetic number, because the mean of its divisors is an integer number (2324301).

Almost surely, 27969028 is an apocalyptic number.

It is an amenable number.

7969028 is a deficient number, since it is larger than the sum of its proper divisors (5976778).

7969028 is a wasteful number, since it uses less digits than its factorization.

7969028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992261 (or 1992259 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 7969028 is about 2822.9466874172. The cubic root of 7969028 is about 199.7415662037.

The spelling of 7969028 in words is "seven million, nine hundred sixty-nine thousand, twenty-eight".

Divisors: 1 2 4 1992257 3984514 7969028