Search a number
-
+
131453600 = 2552374441
BaseRepresentation
bin1111101010111…
…01001010100000
3100011100112102212
413311131022200
5232123003400
621013301252
73154223435
oct765351240
9304315385
10131453600
1168225043
1238034828
13213072c5
141365bb8c
15b819335
hex7d5d2a0

131453600 has 72 divisors (see below), whose sum is σ = 329658588. Its totient is φ = 51148800.

The previous prime is 131453599. The next prime is 131453617. The reversal of 131453600 is 6354131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 69422224 + 62031376 = 8332^2 + 7876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27380 + ... + 31820.

Almost surely, 2131453600 is an apocalyptic number.

131453600 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 131453600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164829294).

131453600 is an abundant number, since it is smaller than the sum of its proper divisors (198204988).

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

131453600 is a wasteful number, since it uses less digits than its factorization.

131453600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 131453600 is about 11465.3216265397. The cubic root of 131453600 is about 508.4608214383.

The spelling of 131453600 in words is "one hundred thirty-one million, four hundred fifty-three thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 37 40 50 74 80 100 148 160 185 200 296 370 400 592 740 800 925 1184 1480 1850 2960 3700 4441 5920 7400 8882 14800 17764 22205 29600 35528 44410 71056 88820 111025 142112 164317 177640 222050 328634 355280 444100 657268 710560 821585 888200 1314536 1643170 1776400 2629072 3286340 3552800 4107925 5258144 6572680 8215850 13145360 16431700 26290720 32863400 65726800 131453600