Search a number
-
+
215092368 = 2433497899
BaseRepresentation
bin11001101001000…
…00110010010000
3112222201211021000
430310200302100
5420030423433
633202102000
75221153311
oct1464406220
9488654230
10215092368
11100461097
126004a900
133573c9ba
14207d0608
1513d3b113
hexcd20c90

215092368 has 40 divisors (see below), whose sum is σ = 617396000. Its totient is φ = 71697312.

The previous prime is 215092349. The next prime is 215092373. The reversal of 215092368 is 863290512.

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 7 ways as a sum of consecutive naturals, for example, 248518 + ... + 249381.

It is an arithmetic number, because the mean of its divisors is an integer number (15434900).

Almost surely, 2215092368 is an apocalyptic number.

It is an amenable number.

215092368 is an abundant number, since it is smaller than the sum of its proper divisors (402303632).

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

215092368 is a wasteful number, since it uses less digits than its factorization.

215092368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497916 (or 497904 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 215092368 is about 14666.0276830504. The cubic root of 215092368 is about 599.1584201241.

The spelling of 215092368 in words is "two hundred fifteen million, ninety-two thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 497899 995798 1493697 1991596 2987394 3983192 4481091 5974788 7966384 8962182 11949576 13443273 17924364 23899152 26886546 35848728 53773092 71697456 107546184 215092368