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137173400 = 23527137537
BaseRepresentation
bin10000010110100…
…01100110011000
3100120010010112022
420023101212120
5240104022100
621340034012
73253645310
oct1013214630
9316103468
10137173400
1170481451
1239b32908
132255a8c0
141430a440
15c098e85
hex82d1998

137173400 has 96 divisors (see below), whose sum is σ = 392579040. Its totient is φ = 43407360.

The previous prime is 137173363. The next prime is 137173409. The reversal of 137173400 is 4371731.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 137173400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137173409) 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 23 ways as a sum of consecutive naturals, for example, 14432 + ... + 21968.

It is an arithmetic number, because the mean of its divisors is an integer number (4089365).

Almost surely, 2137173400 is an apocalyptic number.

137173400 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 137173400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196289520).

137173400 is an abundant number, since it is smaller than the sum of its proper divisors (255405640).

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

137173400 is a wasteful number, since it uses less digits than its factorization.

137173400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573 (or 7564 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 137173400 is about 11712.1048492575. The cubic root of 137173400 is about 515.7310759418.

The spelling of 137173400 in words is "one hundred thirty-seven million, one hundred seventy-three thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 13 14 20 25 26 28 35 40 50 52 56 65 70 91 100 104 130 140 175 182 200 260 280 325 350 364 455 520 650 700 728 910 1300 1400 1820 2275 2600 3640 4550 7537 9100 15074 18200 30148 37685 52759 60296 75370 97981 105518 150740 188425 195962 211036 263795 301480 376850 391924 422072 489905 527590 685867 753700 783848 979810 1055180 1318975 1371734 1507400 1959620 2110360 2449525 2637950 2743468 3429335 3919240 4899050 5275900 5486936 6858670 9798100 10551800 13717340 17146675 19596200 27434680 34293350 68586700 137173400