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140457174 = 2311131271289
BaseRepresentation
bin10000101111100…
…11010011010110
3100210021222000120
420113303103112
5241424112144
621534252410
73323603064
oct1027632326
9323258016
10140457174
1172314610
123b057106
132313a470
1414923034
15c4e6e19
hex85f34d6

140457174 has 64 divisors (see below), whose sum is σ = 332881920. Its totient is φ = 38949120.

The previous prime is 140457173. The next prime is 140457199. The reversal of 140457174 is 471754041.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140457173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108322 + ... + 109610.

It is an arithmetic number, because the mean of its divisors is an integer number (5201280).

Almost surely, 2140457174 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140457174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166440960).

140457174 is an abundant number, since it is smaller than the sum of its proper divisors (192424746).

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

140457174 is a wasteful number, since it uses less digits than its factorization.

140457174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 140457174 is about 11851.4629476702. The cubic root of 140457174 is about 519.8140039928.

The spelling of 140457174 in words is "one hundred forty million, four hundred fifty-seven thousand, one hundred seventy-four".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 127 143 254 286 381 429 762 858 1289 1397 1651 2578 2794 3302 3867 4191 4953 7734 8382 9906 14179 16757 18161 28358 33514 36322 42537 50271 54483 85074 100542 108966 163703 184327 327406 368654 491109 552981 982218 1105962 1800733 2128139 3601466 4256278 5402199 6384417 10804398 12768834 23409529 46819058 70228587 140457174