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469426081 = 727645703
BaseRepresentation
bin11011111110101…
…101111110100001
31012201022022112011
4123332231332201
51430133113311
6114325232521
714430025105
oct3376557641
91181268464
10469426081
11220a84843
12111262741
137633bb17
14464b7905
152b329321
hex1bfadfa1

469426081 has 4 divisors (see below), whose sum is σ = 470072512. Its totient is φ = 468779652.

The previous prime is 469426079. The next prime is 469426091. The reversal of 469426081 is 180624964.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 469426081 - 21 = 469426079 is a prime.

It is a super-2 number, since 2×4694260812 = 440721691046037122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469426031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322125 + ... + 323578.

It is an arithmetic number, because the mean of its divisors is an integer number (117518128).

Almost surely, 2469426081 is an apocalyptic number.

It is an amenable number.

469426081 is a deficient number, since it is larger than the sum of its proper divisors (646431).

469426081 is an equidigital number, since it uses as much as digits as its factorization.

469426081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646430.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 469426081 is about 21666.2428907275. The cubic root of 469426081 is about 777.1814121236.

The spelling of 469426081 in words is "four hundred sixty-nine million, four hundred twenty-six thousand, eighty-one".

Divisors: 1 727 645703 469426081