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137738190 = 2354591273
BaseRepresentation
bin10000011010110…
…11011111001110
3100121011211021110
420031123133032
5240230110230
621400112450
73261520032
oct1015333716
9317154243
10137738190
1170827817
123a165726
13226c79b5
14144161c2
15c15b4b0
hex835b7ce

137738190 has 16 divisors (see below), whose sum is σ = 330571728. Its totient is φ = 36730176.

The previous prime is 137738143. The next prime is 137738213. The reversal of 137738190 is 91837731.

It is a happy number.

It is a super-2 number, since 2×1377381902 = 37943617968952200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295607 + ... + 2295666.

It is an arithmetic number, because the mean of its divisors is an integer number (20660733).

Almost surely, 2137738190 is an apocalyptic number.

137738190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137738190 is an abundant number, since it is smaller than the sum of its proper divisors (192833538).

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

137738190 is a wasteful number, since it uses less digits than its factorization.

137738190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591283.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 137738190 is about 11736.1914606059. The cubic root of 137738190 is about 516.4379207092.

The spelling of 137738190 in words is "one hundred thirty-seven million, seven hundred thirty-eight thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 4591273 9182546 13773819 22956365 27547638 45912730 68869095 137738190