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5212391392 = 251312529787
BaseRepresentation
bin1001101101010111…
…01100011111100000
3111110021000220210001
410312223230133200
541133333011032
62221115345344
7243111411235
oct46653543740
914407026701
105212391392
11223529388a
121015752254
13650b64080
1437638b78c
1520790c3e7
hex136aec7e0

5212391392 has 24 divisors (see below), whose sum is σ = 11051273016. Its totient is φ = 2405718912.

The previous prime is 5212391389. The next prime is 5212391407. The reversal of 5212391392 is 2931932125.

It is a happy number.

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, 6264478 + ... + 6265309.

It is an arithmetic number, because the mean of its divisors is an integer number (460469709).

Almost surely, 25212391392 is an apocalyptic number.

5212391392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5212391392 is an abundant number, since it is smaller than the sum of its proper divisors (5838881624).

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

5212391392 is a wasteful number, since it uses less digits than its factorization.

5212391392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12529810 (or 12529802 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 5212391392 is about 72196.8932295566. The cubic root of 5212391392 is about 1733.8532611217.

The spelling of 5212391392 in words is "five billion, two hundred twelve million, three hundred ninety-one thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 12529787 25059574 50119148 100238296 162887231 200476592 325774462 400953184 651548924 1303097848 2606195696 5212391392