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149062020 = 223519712611
BaseRepresentation
bin10001110001010…
…00000110000100
3101101111010122120
420320220012010
5301124441040
622442525540
73460002102
oct1070500604
9341433576
10149062020
1177161558
1241b068b0
1324b60ca3
1415b22c72
15d1467d0
hex8e28184

149062020 has 48 divisors (see below), whose sum is σ = 419525568. Its totient is φ = 39544960.

The previous prime is 149062013. The next prime is 149062031. The reversal of 149062020 is 20260941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515 + ... + 18125.

It is an arithmetic number, because the mean of its divisors is an integer number (8740116).

Almost surely, 2149062020 is an apocalyptic number.

149062020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149062020 is an abundant number, since it is smaller than the sum of its proper divisors (270463548).

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

149062020 is a wasteful number, since it uses less digits than its factorization.

149062020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12820 (or 12818 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 149062020 is about 12209.0957896152. The cubic root of 149062020 is about 530.2194652985.

The spelling of 149062020 in words is "one hundred forty-nine million, sixty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 197 394 591 788 985 1182 1970 2364 2955 3940 5910 11820 12611 25222 37833 50444 63055 75666 126110 151332 189165 252220 378330 756660 2484367 4968734 7453101 9937468 12421835 14906202 24843670 29812404 37265505 49687340 74531010 149062020