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137744194 = 2722322657
BaseRepresentation
bin10000011010111…
…00111101000010
3100121012010111211
420031130331002
5240230303234
621400200334
73261543400
oct1015347502
9317163454
10137744194
1170831285
123a1690aa
13226ca653
1414418470
15c15d164
hex835cf42

137744194 has 36 divisors (see below), whose sum is σ = 251348454. Its totient is φ = 56445312.

The previous prime is 137744147. The next prime is 137744197. The reversal of 137744194 is 491447731.

It can be written as a sum of positive squares in only one way, i.e., 109516225 + 28227969 = 10465^2 + 5313^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137744197) 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 17 ways as a sum of consecutive naturals, for example, 50514 + ... + 53170.

Almost surely, 2137744194 is an apocalyptic number.

137744194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

137744194 is a deficient number, since it is larger than the sum of its proper divisors (113604260).

137744194 is a wasteful number, since it uses less digits than its factorization.

137744194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2689 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 137744194 is about 11736.4472477833. The cubic root of 137744194 is about 516.4454244335.

The spelling of 137744194 in words is "one hundred thirty-seven million, seven hundred forty-four thousand, one hundred ninety-four".

Divisors: 1 2 7 14 23 46 49 98 161 322 529 1058 1127 2254 2657 3703 5314 7406 18599 25921 37198 51842 61111 122222 130193 260386 427777 855554 1405553 2811106 2994439 5988878 9838871 19677742 68872097 137744194