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120230120 = 23517176809
BaseRepresentation
bin1110010101010…
…01000011101000
322101020022201102
413022221003220
5221234330440
615532540532
72656640063
oct712510350
9271208642
10120230120
116195973a
1234321748
131bba78aa
1411d798da
15a84db15
hex72a90e8

120230120 has 32 divisors (see below), whose sum is σ = 286432200. Its totient is φ = 45262848.

The previous prime is 120230113. The next prime is 120230153. The reversal of 120230120 is 21032021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114875524 + 5354596 = 10718^2 + 2314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87725 + ... + 89084.

Almost surely, 2120230120 is an apocalyptic number.

120230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120230120 is an abundant number, since it is smaller than the sum of its proper divisors (166202080).

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

120230120 is a wasteful number, since it uses less digits than its factorization.

120230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176837 (or 176833 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120230120 is about 10964.9496122873. The cubic root of 120230120 is about 493.5575050517.

Adding to 120230120 its reverse (21032021), we get a palindrome (141262141).

The spelling of 120230120 in words is "one hundred twenty million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 176809 353618 707236 884045 1414472 1768090 3005753 3536180 6011506 7072360 12023012 15028765 24046024 30057530 60115060 120230120