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30513150 = 2325267807
BaseRepresentation
bin111010001100…
…1011111111110
32010102020011200
41310121133332
530302410100
63010000330
7520233423
oct164313776
963366150
1030513150
1116250a88
12a2760a6
136424725
1440a3d4a
152a2ae00
hex1d197fe

30513150 has 36 divisors (see below), whose sum is σ = 81979872. Its totient is φ = 8136720.

The previous prime is 30513149. The next prime is 30513179. The reversal of 30513150 is 5131503.

It is a happy number.

30513150 is a `hidden beast` number, since 3 + 0 + 513 + 150 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 33454 + ... + 34353.

Almost surely, 230513150 is an apocalyptic number.

30513150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30513150 is an abundant number, since it is smaller than the sum of its proper divisors (51466722).

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

30513150 is a wasteful number, since it uses less digits than its factorization.

30513150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67825 (or 67817 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 30513150 is about 5523.8709253566. The cubic root of 30513150 is about 312.4848846022.

Adding to 30513150 its reverse (5131503), we get a palindrome (35644653).

The spelling of 30513150 in words is "thirty million, five hundred thirteen thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 67807 135614 203421 339035 406842 610263 678070 1017105 1220526 1695175 2034210 3051315 3390350 5085525 6102630 10171050 15256575 30513150