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140815068 = 223291672423
BaseRepresentation
bin10000110010010…
…10101011011100
3100210222010221220
420121022223130
5242022040233
621550053340
73326623362
oct1031125334
9323863856
10140815068
1172539499
123b1aa250
1323234334
14149b7632
15c567eb3
hex864aadc

140815068 has 48 divisors (see below), whose sum is σ = 342074880. Its totient is φ = 45029824.

The previous prime is 140815049. The next prime is 140815069. The reversal of 140815068 is 860518041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140815069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56905 + ... + 59327.

It is an arithmetic number, because the mean of its divisors is an integer number (7126560).

Almost surely, 2140815068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140815068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171037440).

140815068 is an abundant number, since it is smaller than the sum of its proper divisors (201259812).

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

140815068 is a wasteful number, since it uses less digits than its factorization.

140815068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626 (or 2624 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 140815068 is about 11866.5524900874. The cubic root of 140815068 is about 520.2551361391.

The spelling of 140815068 in words is "one hundred forty million, eight hundred fifteen thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 167 174 334 348 501 668 1002 2004 2423 4843 4846 7269 9686 9692 14529 14538 19372 29058 29076 58116 70267 140534 210801 281068 404641 421602 809282 843204 1213923 1618564 2427846 4855692 11734589 23469178 35203767 46938356 70407534 140815068