Search a number
-
+
137616400 = 24521492309
BaseRepresentation
bin10000011001111…
…01110000010000
3100120221122012201
420030331300100
5240212211100
621353332544
73260501665
oct1014756020
9316848181
10137616400
1170754269
123a107154
132268442c
14143c3a6c
15c13536a
hex833dc10

137616400 has 60 divisors (see below), whose sum is σ = 332986500. Its totient is φ = 54653440.

The previous prime is 137616371. The next prime is 137616443. The reversal of 137616400 is 4616731.

It can be written as a sum of positive squares in 6 ways, for example, as 4260096 + 133356304 = 2064^2 + 11548^2 .

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 11 ways as a sum of consecutive naturals, for example, 58446 + ... + 60754.

It is an arithmetic number, because the mean of its divisors is an integer number (5549775).

Almost surely, 2137616400 is an apocalyptic number.

137616400 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 137616400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166493250).

137616400 is an abundant number, since it is smaller than the sum of its proper divisors (195370100).

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

137616400 is a wasteful number, since it uses less digits than its factorization.

137616400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 137616400 is about 11731.0016622623. The cubic root of 137616400 is about 516.2856619890.

The spelling of 137616400 in words is "one hundred thirty-seven million, six hundred sixteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 149 200 298 400 596 745 1192 1490 2309 2384 2980 3725 4618 5960 7450 9236 11545 11920 14900 18472 23090 29800 36944 46180 57725 59600 92360 115450 184720 230900 344041 461800 688082 923600 1376164 1720205 2752328 3440410 5504656 6880820 8601025 13761640 17202050 27523280 34404100 68808200 137616400