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890511275 = 5258276113
BaseRepresentation
bin110101000101000…
…001111110101011
32022001122122211002
4311011001332223
53310432330100
6224210425215
731032135533
oct6505017653
92261578732
10890511275
11417741335
1220a29220b
13112653764
14863aa4c3
15532a52d5
hex35141fab

890511275 has 12 divisors (see below), whose sum is σ = 1104604152. Its totient is φ = 712170240.

The previous prime is 890511257. The next prime is 890511277. The reversal of 890511275 is 572115098.

It is not a de Polignac number, because 890511275 - 26 = 890511211 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890511277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142619 + ... + 148731.

It is an arithmetic number, because the mean of its divisors is an integer number (92050346).

Almost surely, 2890511275 is an apocalyptic number.

890511275 is a deficient number, since it is larger than the sum of its proper divisors (214092877).

890511275 is a wasteful number, since it uses less digits than its factorization.

890511275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950 (or 11945 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 890511275 is about 29841.4355385260. The cubic root of 890511275 is about 962.0843294230.

The spelling of 890511275 in words is "eight hundred ninety million, five hundred eleven thousand, two hundred seventy-five".

Divisors: 1 5 25 5827 6113 29135 30565 145675 152825 35620451 178102255 890511275