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890426448 = 24326183517
BaseRepresentation
bin110101000100101…
…101010001010000
32022001111100110100
4311010231101100
53310422121243
6224204532400
731031333322
oct6504552120
92261440410
10890426448
1141769362a
1220a251100
13112623c72
1486387612
155328a0d3
hex3512d450

890426448 has 30 divisors (see below), whose sum is σ = 2491957754. Its totient is φ = 296808768.

The previous prime is 890426441. The next prime is 890426473. The reversal of 890426448 is 844624098.

It can be written as a sum of positive squares in only one way, i.e., 782432784 + 107993664 = 27972^2 + 10392^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890426441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3091615 + ... + 3091902.

Almost surely, 2890426448 is an apocalyptic number.

It is an amenable number.

890426448 is an abundant number, since it is smaller than the sum of its proper divisors (1601531306).

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

890426448 is a wasteful number, since it uses less digits than its factorization.

890426448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183531 (or 6183522 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 890426448 is about 29840.0142091119. The cubic root of 890426448 is about 962.0537801865.

The spelling of 890426448 in words is "eight hundred ninety million, four hundred twenty-six thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 6183517 12367034 18550551 24734068 37101102 49468136 55651653 74202204 98936272 111303306 148404408 222606612 296808816 445213224 890426448