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969125625 = 32541329457
BaseRepresentation
bin111001110000111…
…010111011111001
32111112120200102200
4321300322323321
53441044010000
6240055420413
733005301066
oct7160727371
92445520380
10969125625
11458056476
12230684709
13125a1a220
14929d1c6d
155a133500
hex39c3aef9

969125625 has 120 divisors (see below), whose sum is σ = 1953031080. Its totient is φ = 459648000.

The previous prime is 969125621. The next prime is 969125639. The reversal of 969125625 is 526521969.

It is a happy number.

969125625 is a `hidden beast` number, since 9 + 6 + 9 + 12 + 5 + 625 = 666.

It can be written as a sum of positive squares in 20 ways, for example, as 952771689 + 16353936 = 30867^2 + 4044^2 .

It is not a de Polignac number, because 969125625 - 22 = 969125621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969125621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2120397 + ... + 2120853.

It is an arithmetic number, because the mean of its divisors is an integer number (16275259).

Almost surely, 2969125625 is an apocalyptic number.

It is an amenable number.

969125625 is an abundant number, since it is smaller than the sum of its proper divisors (983905455).

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

969125625 is a wasteful number, since it uses less digits than its factorization.

969125625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 507 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 969125625 is about 31130.7825953669. The cubic root of 969125625 is about 989.6007726074.

The spelling of 969125625 in words is "nine hundred sixty-nine million, one hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 29 39 45 65 75 87 117 125 145 195 225 261 325 375 377 435 457 585 625 725 975 1125 1131 1305 1371 1625 1875 1885 2175 2285 2925 3393 3625 4113 4875 5625 5655 5941 6525 6855 8125 9425 10875 11425 13253 14625 16965 17823 18125 20565 24375 28275 29705 32625 34275 39759 47125 53469 54375 57125 66265 73125 84825 89115 102825 119277 141375 148525 163125 171375 172289 198795 235625 267345 285625 331325 424125 445575 514125 516867 596385 706875 742625 856875 861445 993975 1336725 1550601 1656625 2120625 2227875 2570625 2584335 2981925 3713125 4307225 4969875 6683625 7753005 8283125 11139375 12921675 14909625 21536125 24849375 33418125 38765025 64608375 74548125 107680625 193825125 323041875 969125625