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137443550 = 25210925219
BaseRepresentation
bin10000011000100…
…11100011011110
3100120121212002212
420030103203132
5240141143200
621345520422
73256152026
oct1014234336
9316555085
10137443550
1170646412
123a043112
132262385a
141437aa86
15c0ee035
hex83138de

137443550 has 24 divisors (see below), whose sum is σ = 258000600. Its totient is φ = 54470880.

The previous prime is 137443547. The next prime is 137443571. The reversal of 137443550 is 55344731.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7160 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (10750025).

Almost surely, 2137443550 is an apocalyptic number.

137443550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137443550 is a deficient number, since it is larger than the sum of its proper divisors (120557050).

137443550 is a wasteful number, since it uses less digits than its factorization.

137443550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25340 (or 25335 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 137443550 is about 11723.6321163708. The cubic root of 137443550 is about 516.0694150751.

The spelling of 137443550 in words is "one hundred thirty-seven million, four hundred forty-three thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 109 218 545 1090 2725 5450 25219 50438 126095 252190 630475 1260950 2748871 5497742 13744355 27488710 68721775 137443550