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150855390 = 232572329359
BaseRepresentation
bin10001111110111…
…01111011011110
3101111212020200200
420333131323132
5302104333030
622545204330
73511151430
oct1077357336
9344766620
10150855390
1178176984
12426306a6
132533b35a
141606c650
15d39cd60
hex8fddede

150855390 has 192 divisors, whose sum is σ = 485222400. Its totient is φ = 31756032.

The previous prime is 150855371. The next prime is 150855427. The reversal of 150855390 is 93558051.

It is a happy number.

150855390 is a `hidden beast` number, since 15 + 0 + 8 + 553 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 420031 + ... + 420389.

It is an arithmetic number, because the mean of its divisors is an integer number (2527200).

Almost surely, 2150855390 is an apocalyptic number.

150855390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 150855390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242611200).

150855390 is an abundant number, since it is smaller than the sum of its proper divisors (334367010).

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

150855390 is a wasteful number, since it uses less digits than its factorization.

150855390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 150855390 is about 12282.3202205447. The cubic root of 150855390 is about 532.3373569277.

The spelling of 150855390 in words is "one hundred fifty million, eight hundred fifty-five thousand, three hundred ninety".