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137422026 = 232710710193
BaseRepresentation
bin10000011000011…
…10010011001010
3100120120202120200
420030032103022
5240140001101
621345233030
73256032210
oct1014162312
9316522520
10137422026
1170631225
123a032776
1322616b11
1414372cb0
15c0e7986
hex830e4ca

137422026 has 48 divisors (see below), whose sum is σ = 343497024. Its totient is φ = 38892672.

The previous prime is 137422009. The next prime is 137422027. The reversal of 137422026 is 620224731.

It is not an unprimeable number, because it can be changed into a prime (137422027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8386 + ... + 18578.

It is an arithmetic number, because the mean of its divisors is an integer number (7156188).

Almost surely, 2137422026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137422026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171748512).

137422026 is an abundant number, since it is smaller than the sum of its proper divisors (206074998).

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

137422026 is a wasteful number, since it uses less digits than its factorization.

137422026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315 (or 10312 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 137422026 is about 11722.7141055303. The cubic root of 137422026 is about 516.0424744196.

Adding to 137422026 its reverse (620224731), we get a palindrome (757646757).

The spelling of 137422026 in words is "one hundred thirty-seven million, four hundred twenty-two thousand, twenty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 107 126 214 321 642 749 963 1498 1926 2247 4494 6741 10193 13482 20386 30579 61158 71351 91737 142702 183474 214053 428106 642159 1090651 1284318 2181302 3271953 6543906 7634557 9815859 15269114 19631718 22903671 45807342 68711013 137422026