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151540530 = 23537136523
BaseRepresentation
bin10010000100001…
…01001100110010
3101120011001112020
421002011030302
5302243244110
623012012310
73520034061
oct1102051462
9346131466
10151540530
11785a4709
1242901096
132551b16b
14161aa1d8
15d485d70
hex9085332

151540530 has 32 divisors (see below), whose sum is σ = 373529664. Its totient is φ = 39318336.

The previous prime is 151540517. The next prime is 151540553. The reversal of 151540530 is 35045151.

It is a self number, because there is not a number n which added to its sum of digits gives 151540530.

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, 67152 + ... + 69371.

It is an arithmetic number, because the mean of its divisors is an integer number (11672802).

Almost surely, 2151540530 is an apocalyptic number.

151540530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151540530 is an abundant number, since it is smaller than the sum of its proper divisors (221989134).

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

151540530 is a wasteful number, since it uses less digits than its factorization.

151540530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136570.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 151540530 is about 12310.1799336972. The cubic root of 151540530 is about 533.1420455494.

Adding to 151540530 its reverse (35045151), we get a palindrome (186585681).

The spelling of 151540530 in words is "one hundred fifty-one million, five hundred forty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 136523 273046 409569 682615 819138 1365230 2047845 4095690 5051351 10102702 15154053 25256755 30308106 50513510 75770265 151540530