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150688840 = 2353767221
BaseRepresentation
bin10001111101101…
…01010001001000
3101111112210020011
420332311101020
5302034020330
622541441304
73506556031
oct1076652110
9344483204
10150688840
1178072835
1242570234
13252b05c3
1416027a88
15d36882a
hex8fb5448

150688840 has 16 divisors (see below), whose sum is σ = 339049980. Its totient is φ = 60275520.

The previous prime is 150688723. The next prime is 150688841. The reversal of 150688840 is 48886051.

It can be written as a sum of positive squares in 2 ways, for example, as 142993764 + 7695076 = 11958^2 + 2774^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3767221 = 150688840 / (1 + 5 + 0 + 6 + 8 + 8 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 150688793 and 150688802.

It is not an unprimeable number, because it can be changed into a prime (150688841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883571 + ... + 1883650.

Almost surely, 2150688840 is an apocalyptic number.

150688840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150688840 is an abundant number, since it is smaller than the sum of its proper divisors (188361140).

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

150688840 is a wasteful number, since it uses less digits than its factorization.

150688840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767232 (or 3767228 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 150688840 is about 12275.5382774036. The cubic root of 150688840 is about 532.1413779947.

The spelling of 150688840 in words is "one hundred fifty million, six hundred eighty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3767221 7534442 15068884 18836105 30137768 37672210 75344420 150688840