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150512540 = 22559229557
BaseRepresentation
bin10001111100010…
…10001110011100
3101111012211101112
420332022032130
5302012400130
622534001152
73505223033
oct1076121634
9344184345
10150512540
1177a62332
12424a61b8
132524b299
1415dbd71a
15d331495
hex8f8a39c

150512540 has 48 divisors (see below), whose sum is σ = 323416800. Its totient is φ = 58820352.

The previous prime is 150512539. The next prime is 150512563. The reversal of 150512540 is 45215051.

It is a happy number.

150512540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 269942 + ... + 270498.

It is an arithmetic number, because the mean of its divisors is an integer number (6737850).

Almost surely, 2150512540 is an apocalyptic number.

150512540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150512540 is an abundant number, since it is smaller than the sum of its proper divisors (172904260).

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

150512540 is a wasteful number, since it uses less digits than its factorization.

150512540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 150512540 is about 12268.3552279839. The cubic root of 150512540 is about 531.9337688669.

Adding to 150512540 its reverse (45215051), we get a palindrome (195727591).

The spelling of 150512540 in words is "one hundred fifty million, five hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 59 118 229 236 295 458 557 590 916 1114 1145 1180 2228 2290 2785 4580 5570 11140 13511 27022 32863 54044 65726 67555 127553 131452 135110 164315 255106 270220 328630 510212 637765 657260 1275530 2551060 7525627 15051254 30102508 37628135 75256270 150512540