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153080988 = 223172371193
BaseRepresentation
bin10010001111111…
…01010010011100
3101200001022122020
421013331102130
5303142042423
623105020140
73536111154
oct1107752234
9350038566
10153080988
1179457015
1243324650
132593a388
141648b764
15d68c4e3
hex91fd49c

153080988 has 72 divisors (see below), whose sum is σ = 390017712. Its totient is φ = 46688256.

The previous prime is 153080981. The next prime is 153080999. The reversal of 153080988 is 889080351.

It is a super-2 number, since 2×1530809882 = 46867577774112288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153080981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127720 + ... + 128912.

Almost surely, 2153080988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153080988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195008856).

153080988 is an abundant number, since it is smaller than the sum of its proper divisors (236936724).

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

153080988 is a wasteful number, since it uses less digits than its factorization.

153080988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 153080988 is about 12372.5901896086. The cubic root of 153080988 is about 534.9424784577.

The spelling of 153080988 in words is "one hundred fifty-three million, eighty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 17 34 37 51 68 74 102 111 148 204 222 289 444 578 629 867 1156 1193 1258 1734 1887 2386 2516 3468 3579 3774 4772 7158 7548 10693 14316 20281 21386 32079 40562 42772 44141 60843 64158 81124 88282 121686 128316 132423 176564 243372 264846 344777 529692 689554 750397 1034331 1379108 1500794 2068662 2251191 3001588 4137324 4502382 9004764 12756749 25513498 38270247 51026996 76540494 153080988