Search a number
-
+
85166154 = 23719471
BaseRepresentation
bin1010001001110…
…00100001001010
312221020220000000
411010320201022
5133300304104
612241223430
72052620553
oct504704112
9187226000
1085166154
114408a657
1224631b76
131484b998
14b44d32a
157724639
hex513884a

85166154 has 32 divisors (see below), whose sum is σ = 191604480. Its totient is φ = 28387260.

The previous prime is 85166117. The next prime is 85166173. The reversal of 85166154 is 45166158.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5362 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (5987640).

Almost surely, 285166154 is an apocalyptic number.

85166154 is an abundant number, since it is smaller than the sum of its proper divisors (106438326).

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

85166154 is an equidigital number, since it uses as much as digits as its factorization.

85166154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19494 (or 19476 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 85166154 is about 9228.5510238607. The cubic root of 85166154 is about 439.9692712700.

The spelling of 85166154 in words is "eighty-five million, one hundred sixty-six thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 4374 19471 38942 58413 116826 175239 350478 525717 1051434 1577151 3154302 4731453 9462906 14194359 28388718 42583077 85166154