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140784301 = 722873149
BaseRepresentation
bin10000110010000…
…11001010101101
3100210220120202101
420121003022231
5242020044201
621545255101
73326434600
oct1031031255
9323816671
10140784301
1172518369
123b194491
1323223328
14149aa337
15c55dd01
hex86432ad

140784301 has 6 divisors (see below), whose sum is σ = 163769550. Its totient is φ = 120672216.

The previous prime is 140784269. The next prime is 140784307. The reversal of 140784301 is 103487041.

It can be written as a sum of positive squares in only one way, i.e., 118788201 + 21996100 = 10899^2 + 4690^2 .

It is not a de Polignac number, because 140784301 - 25 = 140784269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140784301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140784307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1436526 + ... + 1436623.

It is an arithmetic number, because the mean of its divisors is an integer number (27294925).

Almost surely, 2140784301 is an apocalyptic number.

It is an amenable number.

140784301 is a deficient number, since it is larger than the sum of its proper divisors (22985249).

140784301 is an equidigital number, since it uses as much as digits as its factorization.

140784301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873163 (or 2873156 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 140784301 is about 11865.2560444349. The cubic root of 140784301 is about 520.2172428087.

The spelling of 140784301 in words is "one hundred forty million, seven hundred eighty-four thousand, three hundred one".

Divisors: 1 7 49 2873149 20112043 140784301