Search a number
-
+
85880898 = 234530129
BaseRepresentation
bin1010001111001…
…11000001000010
312222121012110000
411013213001002
5133441142043
612304420430
72061655425
oct507470102
9188535400
1085880898
1144528654
1224917716
1314a3c0cc
14b5979bc
1578162d3
hex51e7042

85880898 has 20 divisors (see below), whose sum is σ = 192437190. Its totient is φ = 28626912.

The previous prime is 85880887. The next prime is 85880903. The reversal of 85880898 is 89808858.

It can be written as a sum of positive squares in only one way, i.e., 47651409 + 38229489 = 6903^2 + 6183^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

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 in 9 ways as a sum of consecutive naturals, for example, 264903 + ... + 265226.

Almost surely, 285880898 is an apocalyptic number.

85880898 is an abundant number, since it is smaller than the sum of its proper divisors (106556292).

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

85880898 is a wasteful number, since it uses less digits than its factorization.

85880898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530143 (or 530134 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The square root of 85880898 is about 9267.1947211656. The cubic root of 85880898 is about 441.1966358971.

The spelling of 85880898 in words is "eighty-five million, eight hundred eighty thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 530129 1060258 1590387 3180774 4771161 9542322 14313483 28626966 42940449 85880898