Search a number
-
+
97901814 = 2318190149
BaseRepresentation
bin1011101010111…
…01110011110110
320211012221001010
411311131303312
5200030324224
613414213050
72266103013
oct565356366
9224187033
1097901814
115029909a
1228954186
131738a78a
14d00670a
1588dce29
hex5d5dcf6

97901814 has 16 divisors (see below), whose sum is σ = 196887600. Its totient is φ = 32453280.

The previous prime is 97901803. The next prime is 97901819. The reversal of 97901814 is 41810979.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97901819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43989 + ... + 46160.

It is an arithmetic number, because the mean of its divisors is an integer number (12305475).

Almost surely, 297901814 is an apocalyptic number.

97901814 is an abundant number, since it is smaller than the sum of its proper divisors (98985786).

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

97901814 is a wasteful number, since it uses less digits than its factorization.

97901814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90335.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 97901814 is about 9894.5345519635. The cubic root of 97901814 is about 460.8896048651.

The spelling of 97901814 in words is "ninety-seven million, nine hundred one thousand, eight hundred fourteen".

Divisors: 1 2 3 6 181 362 543 1086 90149 180298 270447 540894 16316969 32633938 48950907 97901814