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120646052 = 22187716069
BaseRepresentation
bin1110011000011…
…10100110100100
322102000110021022
413030032212210
5221341133202
615545510312
72663321522
oct714164644
9272013238
10120646052
116211318a
12344a2398
131bcc1cc7
1412047312
15a8d1ea2
hex730e9a4

120646052 has 12 divisors (see below), whose sum is σ = 211256220. Its totient is φ = 60287136.

The previous prime is 120646051. The next prime is 120646081. The reversal of 120646052 is 250646021.

It can be written as a sum of positive squares in 2 ways, for example, as 52649536 + 67996516 = 7256^2 + 8246^2 .

It is not an unprimeable number, because it can be changed into a prime (120646051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527 + ... + 15542.

It is an arithmetic number, because the mean of its divisors is an integer number (17604685).

Almost surely, 2120646052 is an apocalyptic number.

It is an amenable number.

120646052 is a deficient number, since it is larger than the sum of its proper divisors (90610168).

120646052 is a wasteful number, since it uses less digits than its factorization.

120646052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17950 (or 17948 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 120646052 is about 10983.8996717923. The cubic root of 120646052 is about 494.1259984461.

The spelling of 120646052 in words is "one hundred twenty million, six hundred forty-six thousand, fifty-two".

Divisors: 1 2 4 1877 3754 7508 16069 32138 64276 30161513 60323026 120646052