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7438820052 = 223619901671
BaseRepresentation
bin1101110110110001…
…10110001011010100
3201012102110012201210
412323120312023110
5110213314220202
63230051421420
7352224633006
oct67330661324
921172405653
107438820052
113178024674
1215372b4870
139171b9c91
14507d48376
152d80e9c6c
hex1bb6362d4

7438820052 has 12 divisors (see below), whose sum is σ = 17357246816. Its totient is φ = 2479606680.

The previous prime is 7438820003. The next prime is 7438820063. The reversal of 7438820052 is 2500288347.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309950824 + ... + 309950847.

Almost surely, 27438820052 is an apocalyptic number.

It is an amenable number.

7438820052 is an abundant number, since it is smaller than the sum of its proper divisors (9918426764).

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

7438820052 is a wasteful number, since it uses less digits than its factorization.

7438820052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619901678 (or 619901676 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 7438820052 is about 86248.5944928959. The cubic root of 7438820052 is about 1952.0968067219.

The spelling of 7438820052 in words is "seven billion, four hundred thirty-eight million, eight hundred twenty thousand, fifty-two".

Divisors: 1 2 3 4 6 12 619901671 1239803342 1859705013 2479606684 3719410026 7438820052