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137022864 = 243111391867
BaseRepresentation
bin10000010101011…
…00110110010000
3100112211111000220
420022230312100
5240034212424
621332513040
73252450366
oct1012546620
9315744026
10137022864
1170389340
1239a7b780
1322507224
14142ab636
15c069579
hex82acd90

137022864 has 80 divisors (see below), whose sum is σ = 389141760. Its totient is φ = 41201280.

The previous prime is 137022863. The next prime is 137022869. The reversal of 137022864 is 468220731.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (137022863) 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 15 ways as a sum of consecutive naturals, for example, 72459 + ... + 74325.

It is an arithmetic number, because the mean of its divisors is an integer number (4864272).

Almost surely, 2137022864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137022864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194570880).

137022864 is an abundant number, since it is smaller than the sum of its proper divisors (252118896).

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

137022864 is a wasteful number, since it uses less digits than its factorization.

137022864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 137022864 is about 11705.6765716468. The cubic root of 137022864 is about 515.5423500658.

The spelling of 137022864 in words is "one hundred thirty-seven million, twenty-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 139 176 264 278 417 528 556 834 1112 1529 1668 1867 2224 3058 3336 3734 4587 5601 6116 6672 7468 9174 11202 12232 14936 18348 20537 22404 24464 29872 36696 41074 44808 61611 73392 82148 89616 123222 164296 246444 259513 328592 492888 519026 778539 985776 1038052 1557078 2076104 2854643 3114156 4152208 5709286 6228312 8563929 11418572 12456624 17127858 22837144 34255716 45674288 68511432 137022864