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151005500 = 2253614951
BaseRepresentation
bin10010000000000…
…10100100111100
3101112010212121022
421000002210330
5302124134000
622552323312
73512345162
oct1100024474
9345125538
10151005500
1178269738
12426a3538
1325391789
14160ab232
15d3cc585
hex900293c

151005500 has 48 divisors (see below), whose sum is σ = 335270208. Its totient is φ = 59400000.

The previous prime is 151005497. The next prime is 151005529. The reversal of 151005500 is 5500151.

It is a super-2 number, since 2×1510055002 = 45605322060500000, which contains 22 as substring.

It is a congruent number.

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, 28025 + ... + 32975.

It is an arithmetic number, because the mean of its divisors is an integer number (6984796).

Almost surely, 2151005500 is an apocalyptic number.

151005500 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 151005500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167635104).

151005500 is an abundant number, since it is smaller than the sum of its proper divisors (184264708).

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

151005500 is a wasteful number, since it uses less digits than its factorization.

151005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031 (or 5019 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 151005500 is about 12288.4295172329. The cubic root of 151005500 is about 532.5138674047.

Adding to 151005500 its reverse (5500151), we get a palindrome (156505651).

The spelling of 151005500 in words is "one hundred fifty-one million, five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 125 244 250 305 500 610 1220 1525 3050 4951 6100 7625 9902 15250 19804 24755 30500 49510 99020 123775 247550 302011 495100 604022 618875 1208044 1237750 1510055 2475500 3020110 6040220 7550275 15100550 30201100 37751375 75502750 151005500