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137212800 = 2735214293
BaseRepresentation
bin10000010110110…
…11001110000000
3100120012010120120
420023123032000
5240111302200
621340540240
73254201214
oct1013331600
9316163516
10137212800
11704a900a
1239b51680
132257280a
141431a944
15c0a59a0
hex82db380

137212800 has 96 divisors (see below), whose sum is σ = 451976280. Its totient is φ = 36587520.

The previous prime is 137212799. The next prime is 137212807. The reversal of 137212800 is 8212731.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137212807) 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 11 ways as a sum of consecutive naturals, for example, 2454 + ... + 16746.

Almost surely, 2137212800 is an apocalyptic number.

137212800 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 137212800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225988140).

137212800 is an abundant number, since it is smaller than the sum of its proper divisors (314763480).

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

137212800 is a wasteful number, since it uses less digits than its factorization.

137212800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320 (or 14303 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 137212800 is about 11713.7867489553. The cubic root of 137212800 is about 515.7804486317.

The spelling of 137212800 in words is "one hundred thirty-seven million, two hundred twelve thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 300 320 384 400 480 600 640 800 960 1200 1600 1920 2400 3200 4800 9600 14293 28586 42879 57172 71465 85758 114344 142930 171516 214395 228688 285860 343032 357325 428790 457376 571720 686064 714650 857580 914752 1071975 1143440 1372128 1429300 1715160 1829504 2143950 2286880 2744256 2858600 3430320 4287900 4573760 5488512 5717200 6860640 8575800 9147520 11434400 13721280 17151600 22868800 27442560 34303200 45737600 68606400 137212800