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890972516 = 2271711031697
BaseRepresentation
bin110101000110110…
…010100101100100
32022002112002112002
4311012302211210
53311042110031
6224224344432
731036066340
oct6506624544
92262462462
10890972516
11417a26925
1220a475118
13112785695
148648a620
1553346ccb
hex351b2964

890972516 has 48 divisors (see below), whose sum is σ = 1889588736. Its totient is φ = 358846464.

The previous prime is 890972501. The next prime is 890972573. The reversal of 890972516 is 615279098.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524180 + ... + 525876.

It is an arithmetic number, because the mean of its divisors is an integer number (39366432).

Almost surely, 2890972516 is an apocalyptic number.

It is an amenable number.

890972516 is an abundant number, since it is smaller than the sum of its proper divisors (998616220).

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

890972516 is a wasteful number, since it uses less digits than its factorization.

890972516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 890972516 is about 29849.1627353264. The cubic root of 890972516 is about 962.2504048596.

The spelling of 890972516 in words is "eight hundred ninety million, nine hundred seventy-two thousand, five hundred sixteen".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 1103 1697 2206 3394 4412 6788 7721 11879 15442 18751 23758 28849 30884 37502 47516 57698 75004 115396 131257 201943 262514 403886 525028 807772 1871791 3743582 7487164 13102537 26205074 31820447 52410148 63640894 127281788 222743129 445486258 890972516