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214690860 = 223252335119
BaseRepresentation
bin11001100101111…
…10110000101100
3112221222102111100
430302332300230
5414430101420
633145323100
75214561606
oct1462766054
9487872440
10214690860
1110020746a
125ba96490
133562c017
1420728176
1513cac190
hexccbec2c

214690860 has 72 divisors (see below), whose sum is σ = 654151680. Its totient is φ = 56994048.

The previous prime is 214690859. The next prime is 214690891. The reversal of 214690860 is 68096412.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39381 + ... + 44499.

It is an arithmetic number, because the mean of its divisors is an integer number (9085440).

Almost surely, 2214690860 is an apocalyptic number.

214690860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214690860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327075840).

214690860 is an abundant number, since it is smaller than the sum of its proper divisors (439460820).

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

214690860 is a wasteful number, since it uses less digits than its factorization.

214690860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367 (or 5362 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 214690860 is about 14652.3329200506. The cubic root of 214690860 is about 598.7853761407.

The spelling of 214690860 in words is "two hundred fourteen million, six hundred ninety thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 233 466 699 932 1165 1398 2097 2330 2796 3495 4194 4660 5119 6990 8388 10238 10485 13980 15357 20476 20970 25595 30714 41940 46071 51190 61428 76785 92142 102380 153570 184284 230355 307140 460710 921420 1192727 2385454 3578181 4770908 5963635 7156362 10734543 11927270 14312724 17890905 21469086 23854540 35781810 42938172 53672715 71563620 107345430 214690860