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120254106 = 2374760919
BaseRepresentation
bin1110010101011…
…10111010011010
322101021112121210
413022232322122
5221241112411
615533243550
72660100030
oct712567232
9271245553
10120254106
1161975765
12343335b6
131bbb579b
1411d84550
15a855ca6
hex72aee9a

120254106 has 32 divisors (see below), whose sum is σ = 280719360. Its totient is φ = 33626736.

The previous prime is 120254093. The next prime is 120254129. The reversal of 120254106 is 601452021.

It is a super-2 number, since 2×1202541062 = 28922100019718472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 28486 + ... + 32433.

It is an arithmetic number, because the mean of its divisors is an integer number (8772480).

Almost surely, 2120254106 is an apocalyptic number.

120254106 is an abundant number, since it is smaller than the sum of its proper divisors (160465254).

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

120254106 is a wasteful number, since it uses less digits than its factorization.

120254106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60978.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120254106 is about 10966.0433156175. The cubic root of 120254106 is about 493.5903245680.

The spelling of 120254106 in words is "one hundred twenty million, two hundred fifty-four thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 60919 121838 182757 365514 426433 852866 1279299 2558598 2863193 5726386 8589579 17179158 20042351 40084702 60127053 120254106