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152800470 = 23251924703
BaseRepresentation
bin10010001101110…
…00110011010110
3101122112001211200
421012320303112
5303104103340
623055013330
73533532264
oct1106706326
9348461750
10152800470
1179285289
124320a246
132586c7a4
1416417434
15d634330
hex91b8cd6

152800470 has 72 divisors (see below), whose sum is σ = 419380416. Its totient is φ = 38594016.

The previous prime is 152800441. The next prime is 152800493. The reversal of 152800470 is 74008251.

152800470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30139 + ... + 34841.

It is an arithmetic number, because the mean of its divisors is an integer number (5824728).

Almost surely, 2152800470 is an apocalyptic number.

152800470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 152800470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209690208).

152800470 is an abundant number, since it is smaller than the sum of its proper divisors (266579946).

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

152800470 is a wasteful number, since it uses less digits than its factorization.

152800470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 152800470 is about 12361.2487233289. The cubic root of 152800470 is about 534.6155213551.

The spelling of 152800470 in words is "one hundred fifty-two million, eight hundred thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 361 570 722 855 1083 1710 1805 2166 3249 3610 4703 5415 6498 9406 10830 14109 16245 23515 28218 32490 42327 47030 70545 84654 89357 141090 178714 211635 268071 423270 446785 536142 804213 893570 1340355 1608426 1697783 2680710 3395566 4021065 5093349 8042130 8488915 10186698 15280047 16977830 25466745 30560094 50933490 76400235 152800470