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151452540 = 223251495647
BaseRepresentation
bin10010000011011…
…11101101111100
3101112222120211100
421001233231330
5302232440130
623010053100
73516216411
oct1101575574
9345876740
10151452540
1178544598
124287a190
13254ba0b5
1416186108
15d469c60
hex906fb7c

151452540 has 72 divisors (see below), whose sum is σ = 462571200. Its totient is φ = 40109184.

The previous prime is 151452533. The next prime is 151452551. The reversal of 151452540 is 45254151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23997 + ... + 29643.

It is an arithmetic number, because the mean of its divisors is an integer number (6424600).

Almost surely, 2151452540 is an apocalyptic number.

151452540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151452540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231285600).

151452540 is an abundant number, since it is smaller than the sum of its proper divisors (311118660).

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

151452540 is a wasteful number, since it uses less digits than its factorization.

151452540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 151452540 is about 12306.6055433657. The cubic root of 151452540 is about 533.0388382842.

The spelling of 151452540 in words is "one hundred fifty-one million, four hundred fifty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 149 180 298 447 596 745 894 1341 1490 1788 2235 2682 2980 4470 5364 5647 6705 8940 11294 13410 16941 22588 26820 28235 33882 50823 56470 67764 84705 101646 112940 169410 203292 254115 338820 508230 841403 1016460 1682806 2524209 3365612 4207015 5048418 7572627 8414030 10096836 12621045 15145254 16828060 25242090 30290508 37863135 50484180 75726270 151452540