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137355948 = 223229149883
BaseRepresentation
bin10000010111111…
…10001010101100
3100120110101221100
420023332022230
5240130342243
621344003100
73255335442
oct1013761254
9316411840
10137355948
1170596614
123a000490
13225c2a12
1414356b92
15c0d30d3
hex82fe2ac

137355948 has 72 divisors (see below), whose sum is σ = 361998000. Its totient is φ = 43860096.

The previous prime is 137355941. The next prime is 137355979. The reversal of 137355948 is 849553731.

137355948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137355941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155115 + ... + 155997.

It is an arithmetic number, because the mean of its divisors is an integer number (5027750).

Almost surely, 2137355948 is an apocalyptic number.

137355948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137355948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180999000).

137355948 is an abundant number, since it is smaller than the sum of its proper divisors (224642052).

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

137355948 is a wasteful number, since it uses less digits than its factorization.

137355948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1066 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 137355948 is about 11719.8953920246. The cubic root of 137355948 is about 515.9597498801.

It can be divided in two parts, 13735 and 5948, that added together give a 9-th power (19683 = 39).

The spelling of 137355948 in words is "one hundred thirty-seven million, three hundred fifty-five thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 149 174 261 298 348 447 522 596 883 894 1044 1341 1766 1788 2649 2682 3532 4321 5298 5364 7947 8642 10596 12963 15894 17284 25607 25926 31788 38889 51214 51852 76821 77778 102428 131567 153642 155556 230463 263134 307284 394701 460926 526268 789402 921852 1184103 1578804 2368206 3815443 4736412 7630886 11446329 15261772 22892658 34338987 45785316 68677974 137355948