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137849199 = 3192418407
BaseRepresentation
bin10000011011101…
…10100101101111
3100121101110112220
420031312211233
5240242133244
621402330423
73262461465
oct1015664557
9317343486
10137849199
11708a3164
123a1b9a13
1322736397
1414444835
15c17e319
hex837696f

137849199 has 8 divisors (see below), whose sum is σ = 193472640. Its totient is φ = 87062616.

The previous prime is 137849183. The next prime is 137849251. The reversal of 137849199 is 991948731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137849199 - 24 = 137849183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137849149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209147 + ... + 1209260.

It is an arithmetic number, because the mean of its divisors is an integer number (24184080).

Almost surely, 2137849199 is an apocalyptic number.

137849199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

137849199 is a deficient number, since it is larger than the sum of its proper divisors (55623441).

137849199 is a wasteful number, since it uses less digits than its factorization.

137849199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418429.

The product of its digits is 489888, while the sum is 51.

The square root of 137849199 is about 11740.9198532313. The cubic root of 137849199 is about 516.5766231336.

The spelling of 137849199 in words is "one hundred thirty-seven million, eight hundred forty-nine thousand, one hundred ninety-nine".

Divisors: 1 3 19 57 2418407 7255221 45949733 137849199