Search a number
-
+
361537164 = 2232171075521
BaseRepresentation
bin10101100011001…
…001111010001100
3221012021222202100
4111203021322030
51220023142124
655512555100
711650005132
oct2543117214
9835258670
10361537164
1117609524a
12a10b2a90
1359b95621
1436031752
1521b171c9
hex158c9e8c

361537164 has 72 divisors (see below), whose sum is σ = 976863888. Its totient is φ = 112343040.

The previous prime is 361537153. The next prime is 361537177. The reversal of 361537164 is 461735163.

361537164 is a `hidden beast` number, since 3 + 61 + 537 + 1 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 62724 + ... + 68244.

It is an arithmetic number, because the mean of its divisors is an integer number (13567554).

Almost surely, 2361537164 is an apocalyptic number.

361537164 is a gapful number since it is divisible by the number (34) 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 361537164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488431944).

361537164 is an abundant number, since it is smaller than the sum of its proper divisors (615326724).

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

361537164 is a wasteful number, since it uses less digits than its factorization.

361537164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655 (or 5650 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 361537164 is about 19014.1306401318. The cubic root of 361537164 is about 712.3897284562.

The spelling of 361537164 in words is "three hundred sixty-one million, five hundred thirty-seven thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 107 153 204 214 306 321 428 612 642 963 1284 1819 1926 3638 3852 5457 5521 7276 10914 11042 16371 16563 21828 22084 32742 33126 49689 65484 66252 93857 99378 187714 198756 281571 375428 563142 590747 844713 1126284 1181494 1689426 1772241 2362988 3378852 3544482 5316723 7088964 10042699 10633446 20085398 21266892 30128097 40170796 60256194 90384291 120512388 180768582 361537164