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88214290 = 2537238417
BaseRepresentation
bin1010100001000…
…00101100010010
320010222202020221
411100200230102
5140040324130
612430423254
72120544343
oct520405422
9203882227
1088214290
114588177a
1225661b2a
1315378208
14ba040ca
157b2787a
hex5420b12

88214290 has 16 divisors (see below), whose sum is σ = 163077912. Its totient is φ = 34331904.

The previous prime is 88214249. The next prime is 88214293. The reversal of 88214290 is 9241288.

It can be written as a sum of positive squares in 4 ways, for example, as 88190881 + 23409 = 9391^2 + 153^2 .

It is not an unprimeable number, because it can be changed into a prime (88214293) 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, 118839 + ... + 119578.

Almost surely, 288214290 is an apocalyptic number.

88214290 is a deficient number, since it is larger than the sum of its proper divisors (74863622).

88214290 is a wasteful number, since it uses less digits than its factorization.

88214290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238461.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 88214290 is about 9392.2462701954. The cubic root of 88214290 is about 445.1567683992.

The spelling of 88214290 in words is "eighty-eight million, two hundred fourteen thousand, two hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 238417 476834 1192085 2384170 8821429 17642858 44107145 88214290