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469640814 = 23411909109
BaseRepresentation
bin11011111111100…
…010011001101110
31012201201020002020
4123333202121232
51430212001224
6114334011010
714431611126
oct3377423156
91181636066
10469640814
11221111105
12111346a66
13763b5796
1446531c86
152b36cc79
hex1bfe266e

469640814 has 16 divisors (see below), whose sum is σ = 962191440. Its totient is φ = 152728640.

The previous prime is 469640753. The next prime is 469640833. The reversal of 469640814 is 418046964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954309 + ... + 954800.

It is an arithmetic number, because the mean of its divisors is an integer number (60136965).

Almost surely, 2469640814 is an apocalyptic number.

469640814 is an abundant number, since it is smaller than the sum of its proper divisors (492550626).

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

469640814 is a wasteful number, since it uses less digits than its factorization.

469640814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909155.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 469640814 is about 21671.1977979991. The cubic root of 469640814 is about 777.2998979816.

The spelling of 469640814 in words is "four hundred sixty-nine million, six hundred forty thousand, eight hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 1909109 3818218 5727327 11454654 78273469 156546938 234820407 469640814