[go: up one dir, main page]

Search a number
-
+
200748590 = 2572409691
BaseRepresentation
bin10111111011100…
…10111000101110
3111222202002021222
423331302320232
5402342423330
631530423342
74655222600
oct1375627056
9458662258
10200748590
11a3354429
1257291b52
1332789c63
141c939170
15129560e5
hexbf72e2e

200748590 has 24 divisors (see below), whose sum is σ = 420343992. Its totient is φ = 68827920.

The previous prime is 200748589. The next prime is 200748601. The reversal of 200748590 is 95847002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 200748590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204356 + ... + 205335.

It is an arithmetic number, because the mean of its divisors is an integer number (17514333).

Almost surely, 2200748590 is an apocalyptic number.

200748590 is an abundant number, since it is smaller than the sum of its proper divisors (219595402).

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

200748590 is a wasteful number, since it uses less digits than its factorization.

200748590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409712 (or 409705 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 200748590 is about 14168.5775573979. The cubic root of 200748590 is about 585.5322693540.

The spelling of 200748590 in words is "two hundred million, seven hundred forty-eight thousand, five hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 409691 819382 2048455 2867837 4096910 5735674 14339185 20074859 28678370 40149718 100374295 200748590