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120664625 = 53965317
BaseRepresentation
bin1110011000100…
…11001000110001
322102001101202012
413030103020301
5221342232000
615550132305
72663426624
oct714231061
9272041665
10120664625
1162126134
12344b1095
131bcca5b3
141204ddbb
15a8d7735
hex7313231

120664625 has 8 divisors (see below), whose sum is σ = 150589608. Its totient is φ = 96531600.

The previous prime is 120664613. The next prime is 120664627. The reversal of 120664625 is 526466021.

It can be written as a sum of positive squares in 4 ways, for example, as 279841 + 120384784 = 529^2 + 10972^2 .

It is not a de Polignac number, because 120664625 - 26 = 120664561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120664591 and 120664600.

It is not an unprimeable number, because it can be changed into a prime (120664627) 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, 482534 + ... + 482783.

It is an arithmetic number, because the mean of its divisors is an integer number (18823701).

Almost surely, 2120664625 is an apocalyptic number.

It is an amenable number.

120664625 is a deficient number, since it is larger than the sum of its proper divisors (29924983).

120664625 is an frugal number, since it uses more digits than its factorization.

120664625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965332 (or 965322 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 120664625 is about 10984.7451040067. The cubic root of 120664625 is about 494.1513534166.

The spelling of 120664625 in words is "one hundred twenty million, six hundred sixty-four thousand, six hundred twenty-five".

Divisors: 1 5 25 125 965317 4826585 24132925 120664625