Search a number
-
+
88682990 = 25112573137
BaseRepresentation
bin1010100100100…
…11000111101110
320011212120012012
411102103013232
5140200323430
612444441222
72124535664
oct522230756
9204776165
1088682990
1146071930
1225849212
13154b0656
14bac6c34
157bbb695
hex54931ee

88682990 has 32 divisors (see below), whose sum is σ = 174874464. Its totient is φ = 32112640.

The previous prime is 88682989. The next prime is 88683011. The reversal of 88682990 is 9928688.

It is a super-3 number, since 3×886829903 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26702 + ... + 29838.

It is an arithmetic number, because the mean of its divisors is an integer number (5464827).

Almost surely, 288682990 is an apocalyptic number.

88682990 is a deficient number, since it is larger than the sum of its proper divisors (86191474).

88682990 is a wasteful number, since it uses less digits than its factorization.

88682990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 88682990 is about 9417.1646475996. The cubic root of 88682990 is about 445.9437782295.

The spelling of 88682990 in words is "eighty-eight million, six hundred eighty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 257 514 1285 2570 2827 3137 5654 6274 14135 15685 28270 31370 34507 69014 172535 345070 806209 1612418 4031045 8062090 8868299 17736598 44341495 88682990