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137292800 = 2105231173
BaseRepresentation
bin10000010111011…
…10110000000000
3100120100012022112
420023232300000
5240121332200
621342354452
73254653361
oct1013566000
9316305275
10137292800
1170553127
1239b8ba28
13225a0058
141433bb68
15c0be535
hex82eec00

137292800 has 132 divisors (see below), whose sum is σ = 353328576. Its totient is φ = 52838400.

The previous prime is 137292787. The next prime is 137292809. The reversal of 137292800 is 8292731.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (137292809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793514 + ... + 793686.

Almost surely, 2137292800 is an apocalyptic number.

137292800 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 137292800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176664288).

137292800 is an abundant number, since it is smaller than the sum of its proper divisors (216035776).

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

137292800 is a wasteful number, since it uses less digits than its factorization.

137292800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 137292800 is about 11717.2010309630. The cubic root of 137292800 is about 515.8806686776.

The spelling of 137292800 in words is "one hundred thirty-seven million, two hundred ninety-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 128 155 160 173 200 248 256 310 320 346 400 496 512 620 640 692 775 800 865 992 1024 1240 1280 1384 1550 1600 1730 1984 2480 2560 2768 3100 3200 3460 3968 4325 4960 5120 5363 5536 6200 6400 6920 7936 8650 9920 10726 11072 12400 12800 13840 15872 17300 19840 21452 22144 24800 25600 26815 27680 31744 34600 39680 42904 44288 49600 53630 55360 69200 79360 85808 88576 99200 107260 110720 134075 138400 158720 171616 177152 198400 214520 221440 268150 276800 343232 396800 429040 442880 536300 553600 686464 793600 858080 885760 1072600 1107200 1372928 1716160 2145200 2214400 2745856 3432320 4290400 4428800 5491712 6864640 8580800 13729280 17161600 27458560 34323200 68646400 137292800