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28370996 = 227092749
BaseRepresentation
bin110110000111…
…0100000110100
31222101101200122
41230032200310
524230332441
62452031112
7463102163
oct154164064
958341618
1028370996
1115018605
129602498
135b54694
143aa73da
15275634b
hex1b0e834

28370996 has 6 divisors (see below), whose sum is σ = 49649250. Its totient is φ = 14185496.

The previous prime is 28370989. The next prime is 28371037. The reversal of 28370996 is 69907382.

It can be written as a sum of positive squares in only one way, i.e., 16564900 + 11806096 = 4070^2 + 3436^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3546371 + ... + 3546378.

It is an arithmetic number, because the mean of its divisors is an integer number (8274875).

Almost surely, 228370996 is an apocalyptic number.

It is an amenable number.

28370996 is a deficient number, since it is larger than the sum of its proper divisors (21278254).

28370996 is a wasteful number, since it uses less digits than its factorization.

28370996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092753 (or 7092751 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 28370996 is about 5326.4430908440. The cubic root of 28370996 is about 304.9941627477.

The spelling of 28370996 in words is "twenty-eight million, three hundred seventy thousand, nine hundred ninety-six".

Divisors: 1 2 4 7092749 14185498 28370996