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469631690 = 25114269379
BaseRepresentation
bin11011111111100…
…000001011001010
31012201200202120022
4123333200023022
51430211203230
6114333500442
714431542413
oct3377401312
91181622508
10469631690
11221105270
12111341722
13763b1598
144652c80a
152b36a1e5
hex1bfe02ca

469631690 has 16 divisors (see below), whose sum is σ = 922186080. Its totient is φ = 170775120.

The previous prime is 469631689. The next prime is 469631699. The reversal of 469631690 is 96136964.

It is a super-2 number, since 2×4696316902 = 441107848504512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (469631699) 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, 2134580 + ... + 2134799.

It is an arithmetic number, because the mean of its divisors is an integer number (57636630).

Almost surely, 2469631690 is an apocalyptic number.

469631690 is a deficient number, since it is larger than the sum of its proper divisors (452554390).

469631690 is a wasteful number, since it uses less digits than its factorization.

469631690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269397.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 469631690 is about 21670.9872871542. The cubic root of 469631690 is about 777.2948642552.

The spelling of 469631690 in words is "four hundred sixty-nine million, six hundred thirty-one thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 4269379 8538758 21346895 42693790 46963169 93926338 234815845 469631690