Search a number
-
+
137540460 = 22352399667
BaseRepresentation
bin10000011001010…
…11001101101100
3100120210210001010
420030223031230
5240202243320
621351545220
73260034411
oct1014531554
9316723033
10137540460
1170702202
123a08b210
13226589b5
14143a4108
15c11cae0
hex832b36c

137540460 has 48 divisors (see below), whose sum is σ = 401861376. Its totient is φ = 35082432.

The previous prime is 137540443. The next prime is 137540461. The reversal of 137540460 is 64045731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (137540461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48454 + ... + 51213.

It is an arithmetic number, because the mean of its divisors is an integer number (8372112).

Almost surely, 2137540460 is an apocalyptic number.

137540460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137540460 is an abundant number, since it is smaller than the sum of its proper divisors (264320916).

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

137540460 is a wasteful number, since it uses less digits than its factorization.

137540460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99702 (or 99700 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 137540460 is about 11727.7644928605. The cubic root of 137540460 is about 516.1906782828.

The spelling of 137540460 in words is "one hundred thirty-seven million, five hundred forty thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 99667 199334 299001 398668 498335 598002 996670 1196004 1495005 1993340 2292341 2990010 4584682 5980020 6877023 9169364 11461705 13754046 22923410 27508092 34385115 45846820 68770230 137540460