Search a number
-
+
275272990 = 2553519383
BaseRepresentation
bin10000011010000…
…101010100011110
3201011222022112221
4100122011110132
51030432213430
643152015554
76551532106
oct2032052436
9634868487
10275272990
11131425743
12782315ba
1345050c35
14287b8206
151927757a
hex1068551e

275272990 has 16 divisors (see below), whose sum is σ = 504841248. Its totient is φ = 108031456.

The previous prime is 275272927. The next prime is 275272997. The reversal of 275272990 is 99272572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275272997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259162 + ... + 260221.

It is an arithmetic number, because the mean of its divisors is an integer number (31552578).

Almost surely, 2275272990 is an apocalyptic number.

275272990 is a deficient number, since it is larger than the sum of its proper divisors (229568258).

275272990 is a wasteful number, since it uses less digits than its factorization.

275272990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519443.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 275272990 is about 16591.3528682865. The cubic root of 275272990 is about 650.5108331465.

The spelling of 275272990 in words is "two hundred seventy-five million, two hundred seventy-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 53 106 265 530 519383 1038766 2596915 5193830 27527299 55054598 137636495 275272990