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151389090 = 23251682101
BaseRepresentation
bin10010000011000…
…00001110100010
3101112212100210100
421001200032202
5302223422330
623004443230
73515533416
oct1101401642
9345770710
10151389090
1178500956
1242849516
1325497258
141616ad46
15d456060
hex90603a2

151389090 has 24 divisors (see below), whose sum is σ = 393611868. Its totient is φ = 40370400.

The previous prime is 151389067. The next prime is 151389107. The reversal of 151389090 is 90983151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 151363809 + 25281 = 12303^2 + 159^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 840961 + ... + 841140.

Almost surely, 2151389090 is an apocalyptic number.

151389090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151389090 is an abundant number, since it is smaller than the sum of its proper divisors (242222778).

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

151389090 is a wasteful number, since it uses less digits than its factorization.

151389090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682114 (or 1682111 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 151389090 is about 12304.0273894364. The cubic root of 151389090 is about 532.9643902350.

The spelling of 151389090 in words is "one hundred fifty-one million, three hundred eighty-nine thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1682101 3364202 5046303 8410505 10092606 15138909 16821010 25231515 30277818 50463030 75694545 151389090