Search a number
-
+
88293990 = 2352943133
BaseRepresentation
bin1010100001101…
…00001001100110
320011010210120210
411100310021212
5140100401430
612432240250
72121325611
oct520641146
9204123523
1088293990
1145926644
12256a0086
13153a5585
14ba25178
157b412b0
hex5434266

88293990 has 16 divisors (see below), whose sum is σ = 211905648. Its totient is φ = 23545056.

The previous prime is 88293977. The next prime is 88294057. The reversal of 88293990 is 9939288.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1471537 + ... + 1471596.

It is an arithmetic number, because the mean of its divisors is an integer number (13244103).

Almost surely, 288293990 is an apocalyptic number.

88293990 is an abundant number, since it is smaller than the sum of its proper divisors (123611658).

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

88293990 is a wasteful number, since it uses less digits than its factorization.

88293990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943143.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 88293990 is about 9396.4881737807. The cubic root of 88293990 is about 445.2907917149.

The spelling of 88293990 in words is "eighty-eight million, two hundred ninety-three thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2943133 5886266 8829399 14715665 17658798 29431330 44146995 88293990