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140616378 = 23372192797
BaseRepresentation
bin10000110000110…
…10001010111010
3100210121001102000
420120122022322
5241444211003
621541521430
73325135200
oct1030321272
9323531360
10140616378
1172413191
123b113276
1323194a76
1414965070
15c5291a3
hex861a2ba

140616378 has 96 divisors (see below), whose sum is σ = 382766400. Its totient is φ = 38047968.

The previous prime is 140616361. The next prime is 140616379. The reversal of 140616378 is 873616041.

140616378 is a `hidden beast` number, since 1 + 4 + 0 + 616 + 37 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (140616379) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48876 + ... + 51672.

It is an arithmetic number, because the mean of its divisors is an integer number (3987150).

Almost surely, 2140616378 is an apocalyptic number.

140616378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140616378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191383200).

140616378 is an abundant number, since it is smaller than the sum of its proper divisors (242150022).

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

140616378 is a wasteful number, since it uses less digits than its factorization.

140616378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140616378 is about 11858.1776846192. The cubic root of 140616378 is about 520.0103277042.

The spelling of 140616378 in words is "one hundred forty million, six hundred sixteen thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 7 9 14 18 19 21 27 38 42 49 54 57 63 98 114 126 133 147 171 189 266 294 342 378 399 441 513 798 882 931 1026 1197 1323 1862 2394 2646 2793 2797 3591 5586 5594 7182 8379 8391 16758 16782 19579 25137 25173 39158 50274 50346 53143 58737 75519 106286 117474 137053 151038 159429 176211 274106 318858 352422 372001 411159 478287 528633 744002 822318 956574 1057266 1116003 1233477 1434861 2232006 2466954 2604007 2869722 3348009 3700431 5208014 6696018 7400862 7812021 10044027 15624042 20088054 23436063 46872126 70308189 140616378