Search a number
-
+
89966680 = 2356593413
BaseRepresentation
bin1010101110011…
…00100001011000
320021021210002021
411113030201120
5141012413210
612532144224
72141463346
oct527144130
9207253067
1089966680
1146869331
1226168074
131583ca2b
14bd3c996
157d71bda
hex55cc858

89966680 has 32 divisors (see below), whose sum is σ = 202791600. Its totient is φ = 35921536.

The previous prime is 89966633. The next prime is 89966693. The reversal of 89966680 is 8666998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24654 + ... + 28066.

Almost surely, 289966680 is an apocalyptic number.

It is an amenable number.

89966680 is an abundant number, since it is smaller than the sum of its proper divisors (112824920).

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

89966680 is a wasteful number, since it uses less digits than its factorization.

89966680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 89966680 is about 9485.0766997426. The cubic root of 89966680 is about 448.0851639753.

The spelling of 89966680 in words is "eighty-nine million, nine hundred sixty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 659 1318 2636 3295 3413 5272 6590 6826 13180 13652 17065 26360 27304 34130 68260 136520 2249167 4498334 8996668 11245835 17993336 22491670 44983340 89966680