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641352125 = 53192359199
BaseRepresentation
bin100110001110100…
…100000110111101
31122200211001201102
4212032210012331
52303141232000
6143350222445
721615255161
oct4616440675
91580731642
10641352125
112aa032387
1215a954a25
13a2b469cb
146126cca1
153b48a3d5
hex263a41bd

641352125 has 64 divisors (see below), whose sum is σ = 898560000. Its totient is φ = 454766400.

The previous prime is 641352097. The next prime is 641352133. The reversal of 641352125 is 521253146.

641352125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 641352125 - 28 = 641351869 is a prime.

It is a super-2 number, since 2×6413521252 = 822665096484031250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3222776 + ... + 3222974.

It is an arithmetic number, because the mean of its divisors is an integer number (14040000).

Almost surely, 2641352125 is an apocalyptic number.

It is an amenable number.

641352125 is a deficient number, since it is larger than the sum of its proper divisors (257207875).

641352125 is a wasteful number, since it uses less digits than its factorization.

641352125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 305 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 641352125 is about 25324.9308982275. The cubic root of 641352125 is about 862.3803376663.

The spelling of 641352125 in words is "six hundred forty-one million, three hundred fifty-two thousand, one hundred twenty-five".

Divisors: 1 5 19 23 25 59 95 115 125 199 295 437 475 575 995 1121 1357 1475 2185 2375 2875 3781 4577 4975 5605 6785 7375 10925 11741 18905 22885 24875 25783 28025 33925 54625 58705 86963 94525 114425 128915 140125 169625 223079 270043 293525 434815 472625 572125 644575 1115395 1350215 1467625 2174075 3222875 5130817 5576975 6751075 10870375 25654085 27884875 33755375 128270425 641352125