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551253372 = 22371647011
BaseRepresentation
bin100000110110110…
…111010101111100
31102102021120110120
4200312313111330
52112110101442
6130411134540
716442401455
oct4066672574
91372246416
10551253372
112631938aa
12134744450
138a28bb37
14532d812c
15335de4ec
hex20db757c

551253372 has 24 divisors (see below), whose sum is σ = 1304376192. Its totient is φ = 181162800.

The previous prime is 551253347. The next prime is 551253413. The reversal of 551253372 is 273352155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322654 + ... + 324357.

It is an arithmetic number, because the mean of its divisors is an integer number (54349008).

Almost surely, 2551253372 is an apocalyptic number.

It is an amenable number.

551253372 is an abundant number, since it is smaller than the sum of its proper divisors (753122820).

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

551253372 is a wasteful number, since it uses less digits than its factorization.

551253372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647089 (or 647087 counting only the distinct ones).

The product of its digits is 31500, while the sum is 33.

The square root of 551253372 is about 23478.7855733639. The cubic root of 551253372 is about 819.9431707592.

The spelling of 551253372 in words is "five hundred fifty-one million, two hundred fifty-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 647011 1294022 1941033 2588044 3882066 7764132 45937781 91875562 137813343 183751124 275626686 551253372