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140450051 = 7412292137
BaseRepresentation
bin10000101111100…
…01100100000011
3100210021121020202
420113301210003
5241423400201
621534155415
73323543240
oct1027614403
9323247222
10140450051
117230a225
123b052b6b
1323137151
14149205c7
15c4e4c6b
hex85f1903

140450051 has 16 divisors (see below), whose sum is σ = 165224640. Its totient is φ = 116881920.

The previous prime is 140450047. The next prime is 140450069. The reversal of 140450051 is 150054041.

It is a cyclic number.

It is not a de Polignac number, because 140450051 - 22 = 140450047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140450551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64655 + ... + 66791.

It is an arithmetic number, because the mean of its divisors is an integer number (10326540).

Almost surely, 2140450051 is an apocalyptic number.

140450051 is a deficient number, since it is larger than the sum of its proper divisors (24774589).

140450051 is a wasteful number, since it uses less digits than its factorization.

140450051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 140450051 is about 11851.1624324367. The cubic root of 140450051 is about 519.8052167409.

The spelling of 140450051 in words is "one hundred forty million, four hundred fifty thousand, fifty-one".

Divisors: 1 7 41 229 287 1603 2137 9389 14959 65723 87617 489373 613319 3425611 20064293 140450051