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137378484 = 223331371109
BaseRepresentation
bin10000011000000…
…11101010110100
3100120111112212000
420030003222310
5240132102414
621344255300
73255461235
oct1014035264
9316445760
10137378484
1170601541
123a011530
1322600059
141436108c
15c0d9b09
hex8303ab4

137378484 has 96 divisors (see below), whose sum is σ = 377932800. Its totient is φ = 43079040.

The previous prime is 137378473. The next prime is 137378489. The reversal of 137378484 is 484873731.

137378484 is a `hidden beast` number, since 137 + 37 + 8 + 484 = 666.

It is a super-2 number, since 2×1373784842 = 37745695732276512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137378489) 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 31 ways as a sum of consecutive naturals, for example, 123322 + ... + 124430.

It is an arithmetic number, because the mean of its divisors is an integer number (3936800).

Almost surely, 2137378484 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 137378484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188966400).

137378484 is an abundant number, since it is smaller than the sum of its proper divisors (240554316).

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

137378484 is a wasteful number, since it uses less digits than its factorization.

137378484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1182 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 137378484 is about 11720.8567946204. The cubic root of 137378484 is about 515.9879661877.

The spelling of 137378484 in words is "one hundred thirty-seven million, three hundred seventy-eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 37 54 62 74 93 108 111 124 148 186 222 279 333 372 444 558 666 837 999 1109 1116 1147 1332 1674 1998 2218 2294 3327 3348 3441 3996 4436 4588 6654 6882 9981 10323 13308 13764 19962 20646 29943 30969 34379 39924 41033 41292 59886 61938 68758 82066 103137 119772 123099 123876 137516 164132 206274 246198 309411 369297 412548 492396 618822 738594 928233 1107891 1237644 1272023 1477188 1856466 2215782 2544046 3712932 3816069 4431564 5088092 7632138 11448207 15264276 22896414 34344621 45792828 68689242 137378484