[go: up one dir, main page]

Search a number
-
+
137583030 = 235131911847
BaseRepresentation
bin10000011001101…
…01100110110110
3100120212221102210
420030311212312
5240210124110
621352514250
73260302464
oct1014654666
9316787383
10137583030
1170731192
123a0ab986
13226721a0
14143b5834
15c12a520
hex83359b6

137583030 has 64 divisors (see below), whose sum is σ = 357654528. Its totient is φ = 33671040.

The previous prime is 137583013. The next prime is 137583031. The reversal of 137583030 is 30385731.

137583030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137583031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73567 + ... + 75413.

It is an arithmetic number, because the mean of its divisors is an integer number (5588352).

Almost surely, 2137583030 is an apocalyptic number.

137583030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 137583030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178827264).

137583030 is an abundant number, since it is smaller than the sum of its proper divisors (220071498).

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

137583030 is a wasteful number, since it uses less digits than its factorization.

137583030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 137583030 is about 11729.5792763424. The cubic root of 137583030 is about 516.2439279968.

The spelling of 137583030 in words is "one hundred thirty-seven million, five hundred eighty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 191 195 382 390 573 955 1146 1847 1910 2483 2865 3694 4966 5541 5730 7449 9235 11082 12415 14898 18470 24011 24830 27705 37245 48022 55410 72033 74490 120055 144066 240110 352777 360165 705554 720330 1058331 1763885 2116662 3527770 4586101 5291655 9172202 10583310 13758303 22930505 27516606 45861010 68791515 137583030