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151126220 = 22571079473
BaseRepresentation
bin10010000001000…
…00000011001100
3101112101000012102
421000200003030
5302142014340
622555054232
73513360140
oct1100400314
9345330172
10151126220
1178341403
1242741378
13254046cb
14160dd220
15d403215
hex90200cc

151126220 has 24 divisors (see below), whose sum is σ = 362703264. Its totient is φ = 51814656.

The previous prime is 151126193. The next prime is 151126237. The reversal of 151126220 is 22621151.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 151126192 and 151126201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539597 + ... + 539876.

It is an arithmetic number, because the mean of its divisors is an integer number (15112636).

Almost surely, 2151126220 is an apocalyptic number.

151126220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151126220 is an abundant number, since it is smaller than the sum of its proper divisors (211577044).

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

151126220 is a wasteful number, since it uses less digits than its factorization.

151126220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079489 (or 1079487 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 151126220 is about 12293.3404736060. The cubic root of 151126220 is about 532.6557340938.

Adding to 151126220 its reverse (22621151), we get a palindrome (173747371).

The spelling of 151126220 in words is "one hundred fifty-one million, one hundred twenty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1079473 2158946 4317892 5397365 7556311 10794730 15112622 21589460 30225244 37781555 75563110 151126220