Search a number
-
+
152538372 = 223272432011
BaseRepresentation
bin10010001011110…
…00110100000100
3101122000202022100
421011320310010
5303022211442
623045232100
73531361200
oct1105706404
9348022270
10152538372
1179116378
1243102630
13257aa3bc
1416389b00
15d5d184c
hex9178d04

152538372 has 108 divisors (see below), whose sum is σ = 459194736. Its totient is φ = 42547680.

The previous prime is 152538367. The next prime is 152538401. The reversal of 152538372 is 273835251.

It is a happy number.

152538372 is a `hidden beast` number, since 1 + 52 + 538 + 3 + 72 = 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74847 + ... + 76857.

Almost surely, 2152538372 is an apocalyptic number.

152538372 is a gapful number since it is divisible by the number (12) 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 152538372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229597368).

152538372 is an abundant number, since it is smaller than the sum of its proper divisors (306656364).

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

152538372 is a wasteful number, since it uses less digits than its factorization.

152538372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2066 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 152538372 is about 12350.6425743764. The cubic root of 152538372 is about 534.3096718333.

The spelling of 152538372 in words is "one hundred fifty-two million, five hundred thirty-eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 43 49 63 84 86 98 126 129 147 172 196 252 258 294 301 387 441 516 588 602 774 882 903 1204 1548 1764 1806 2011 2107 2709 3612 4022 4214 5418 6033 6321 8044 8428 10836 12066 12642 14077 18099 18963 24132 25284 28154 36198 37926 42231 56308 72396 75852 84462 86473 98539 126693 168924 172946 197078 253386 259419 295617 345892 394156 506772 518838 591234 605311 778257 886851 1037676 1182468 1210622 1556514 1773702 1815933 2421244 3113028 3547404 3631866 4237177 5447799 7263732 8474354 10895598 12711531 16948708 21791196 25423062 38134593 50846124 76269186 152538372