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150228520 = 235132511151
BaseRepresentation
bin10001111010001…
…00111000101000
3101110200101210021
420331010320220
5301424303040
622523530224
73502631011
oct1075047050
9343611707
10150228520
1177888a02
1242389974
132517bc20
1415d48008
15d2c724a
hex8f44e28

150228520 has 64 divisors (see below), whose sum is σ = 365783040. Its totient is φ = 55200000.

The previous prime is 150228517. The next prime is 150228557. The reversal of 150228520 is 25822051.

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, 129945 + ... + 131095.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2150228520 is an apocalyptic number.

150228520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150228520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182891520).

150228520 is an abundant number, since it is smaller than the sum of its proper divisors (215554520).

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

150228520 is a wasteful number, since it uses less digits than its factorization.

150228520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 150228520 is about 12256.7744533380. The cubic root of 150228520 is about 531.5989685042.

The spelling of 150228520 in words is "one hundred fifty million, two hundred twenty-eight thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 251 260 502 520 1004 1151 1255 2008 2302 2510 3263 4604 5020 5755 6526 9208 10040 11510 13052 14963 16315 23020 26104 29926 32630 46040 59852 65260 74815 119704 130520 149630 288901 299260 577802 598520 1155604 1444505 2311208 2889010 3755713 5778020 7511426 11556040 15022852 18778565 30045704 37557130 75114260 150228520