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5257275990 = 235175242533
BaseRepresentation
bin1001110010101101…
…11010101001010110
3111120101111021212120
410321112322221112
541231330312430
62225401400410
7244165052151
oct47126725126
914511437776
105257275990
11225866029a
121028799106
1365a24acc5
1437c312c98
1520b826610
hex1395baa56

5257275990 has 16 divisors (see below), whose sum is σ = 12617462448. Its totient is φ = 1401940256.

The previous prime is 5257275941. The next prime is 5257275997. The reversal of 5257275990 is 995727525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257275997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87621237 + ... + 87621296.

It is an arithmetic number, because the mean of its divisors is an integer number (788591403).

Almost surely, 25257275990 is an apocalyptic number.

5257275990 is an abundant number, since it is smaller than the sum of its proper divisors (7360186458).

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

5257275990 is a wasteful number, since it uses less digits than its factorization.

5257275990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175242543.

The product of its (nonzero) digits is 1984500, while the sum is 51.

The square root of 5257275990 is about 72507.0754478485. The cubic root of 5257275990 is about 1738.8158576885.

The spelling of 5257275990 in words is "five billion, two hundred fifty-seven million, two hundred seventy-five thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 175242533 350485066 525727599 876212665 1051455198 1752425330 2628637995 5257275990