Search a number
-
+
137076640 = 2551967673
BaseRepresentation
bin10000010101110…
…01111110100000
3100112221012210121
420022321332200
5240042423030
621334010024
73253063231
oct1012717640
9315835717
10137076640
1170415788
1239aa6914
132252584c
14142c3088
15c07a47a
hex82b9fa0

137076640 has 96 divisors (see below), whose sum is σ = 346489920. Its totient is φ = 51093504.

The previous prime is 137076629. The next prime is 137076673. The reversal of 137076640 is 46670731.

It is a junction number, because it is equal to n+sod(n) for n = 137076596 and 137076605.

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 15 ways as a sum of consecutive naturals, for example, 203344 + ... + 204016.

It is an arithmetic number, because the mean of its divisors is an integer number (3609270).

Almost surely, 2137076640 is an apocalyptic number.

137076640 is a gapful number since it is divisible by the number (10) 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 137076640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173244960).

137076640 is an abundant number, since it is smaller than the sum of its proper divisors (209413280).

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

137076640 is a wasteful number, since it uses less digits than its factorization.

137076640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 137076640 is about 11707.9733515242. The cubic root of 137076640 is about 515.6097845036.

The spelling of 137076640 in words is "one hundred thirty-seven million, seventy-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 67 76 80 95 134 152 160 190 268 304 335 380 536 608 670 673 760 1072 1273 1340 1346 1520 2144 2546 2680 2692 3040 3365 5092 5360 5384 6365 6730 10184 10720 10768 12730 12787 13460 20368 21536 25460 25574 26920 40736 45091 50920 51148 53840 63935 90182 101840 102296 107680 127870 180364 203680 204592 225455 255740 360728 409184 450910 511480 721456 856729 901820 1022960 1442912 1713458 1803640 2045920 3426916 3607280 4283645 6853832 7214560 8567290 13707664 17134580 27415328 34269160 68538320 137076640