Search a number
-
+
84290804 = 22131620977
BaseRepresentation
bin1010000011000…
…10110011110100
312212121102020122
411001202303310
5133034301204
612210351112
72042313533
oct501426364
9185542218
1084290804
1143641a24
122428b498
1314603420
14b2a231a
1576000be
hex5062cf4

84290804 has 12 divisors (see below), whose sum is σ = 158855844. Its totient is φ = 38903424.

The previous prime is 84290753. The next prime is 84290819. The reversal of 84290804 is 40809248.

It can be written as a sum of positive squares in 2 ways, for example, as 40704400 + 43586404 = 6380^2 + 6602^2 .

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, 810437 + ... + 810540.

It is an arithmetic number, because the mean of its divisors is an integer number (13237987).

Almost surely, 284290804 is an apocalyptic number.

It is an amenable number.

84290804 is a deficient number, since it is larger than the sum of its proper divisors (74565040).

84290804 is a wasteful number, since it uses less digits than its factorization.

84290804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620994 (or 1620992 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 84290804 is about 9181.0023417925. The cubic root of 84290804 is about 438.4567214535.

The spelling of 84290804 in words is "eighty-four million, two hundred ninety thousand, eight hundred four".

Divisors: 1 2 4 13 26 52 1620977 3241954 6483908 21072701 42145402 84290804