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150257020 = 2257512851
BaseRepresentation
bin10001111010010…
…11110101111100
3101110201211212211
420331023311330
5301431211040
622524310204
73503110054
oct1075136574
9343654784
10150257020
11778a8361
12423a2364
132518bba4
1415d54564
15d2d08ea
hex8f4bd7c

150257020 has 12 divisors (see below), whose sum is σ = 315539784. Its totient is φ = 60102800.

The previous prime is 150256867. The next prime is 150257021. The reversal of 150257020 is 20752051.

It is a junction number, because it is equal to n+sod(n) for n = 150256982 and 150257000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150257021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3756406 + ... + 3756445.

It is an arithmetic number, because the mean of its divisors is an integer number (26294982).

Almost surely, 2150257020 is an apocalyptic number.

150257020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150257020 is an abundant number, since it is smaller than the sum of its proper divisors (165282764).

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

150257020 is a wasteful number, since it uses less digits than its factorization.

150257020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512860 (or 7512858 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 150257020 is about 12257.9370205594. The cubic root of 150257020 is about 531.6325830993.

The spelling of 150257020 in words is "one hundred fifty million, two hundred fifty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 7512851 15025702 30051404 37564255 75128510 150257020