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85167776 = 252661493
BaseRepresentation
bin1010001001110…
…00111010100000
312221020222020002
411010320322200
5133300332101
612241235132
72052625361
oct504707240
9187228202
1085167776
11440908a1
1224632aa8
131484c645
14b44db68
157724d6b
hex5138ea0

85167776 has 12 divisors (see below), whose sum is σ = 167674122. Its totient is φ = 42583872.

The previous prime is 85167769. The next prime is 85167793. The reversal of 85167776 is 67776158.

It can be written as a sum of positive squares in only one way, i.e., 83539600 + 1628176 = 9140^2 + 1276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85167776.

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, 1330715 + ... + 1330778.

Almost surely, 285167776 is an apocalyptic number.

It is an amenable number.

85167776 is a deficient number, since it is larger than the sum of its proper divisors (82506346).

85167776 is a wasteful number, since it uses less digits than its factorization.

85167776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661503 (or 2661495 counting only the distinct ones).

The product of its digits is 493920, while the sum is 47.

The square root of 85167776 is about 9228.6389028935. The cubic root of 85167776 is about 439.9720643421.

The spelling of 85167776 in words is "eighty-five million, one hundred sixty-seven thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 32 2661493 5322986 10645972 21291944 42583888 85167776