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120441402 = 232103167389
BaseRepresentation
bin1110010110111…
…00101000111010
322101122001112200
413023130220322
5221313111102
615541251030
72661510054
oct713345072
9271561480
10120441402
1161a93454
1234403a76
131bc4cb03
1411dd28d4
15a89151c
hex72dca3a

120441402 has 48 divisors (see below), whose sum is σ = 265749120. Its totient is φ = 39417696.

The previous prime is 120441397. The next prime is 120441427. The reversal of 120441402 is 204144021.

It is a super-2 number, since 2×1204414022 = 29012262631451208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309424 + ... + 309812.

It is an arithmetic number, because the mean of its divisors is an integer number (5536440).

Almost surely, 2120441402 is an apocalyptic number.

120441402 is an abundant number, since it is smaller than the sum of its proper divisors (145307718).

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

120441402 is a wasteful number, since it uses less digits than its factorization.

120441402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 120441402 is about 10974.5798097239. The cubic root of 120441402 is about 493.8464476013.

Adding to 120441402 its reverse (204144021), we get a palindrome (324585423).

The spelling of 120441402 in words is "one hundred twenty million, four hundred forty-one thousand, four hundred two".

Divisors: 1 2 3 6 9 18 103 167 206 309 334 389 501 618 778 927 1002 1167 1503 1854 2334 3006 3501 7002 17201 34402 40067 51603 64963 80134 103206 120201 129926 154809 194889 240402 309618 360603 389778 584667 721206 1169334 6691189 13382378 20073567 40147134 60220701 120441402