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140470765 = 531906263
BaseRepresentation
bin10000101111101…
…10100111101101
3100210022122122221
420113312213231
5241430031030
621534435341
73323660521
oct1027664755
9323278587
10140470765
1172323846
123b062b51
13231436c6
1414927d81
15c4eae7a
hex85f69ed

140470765 has 8 divisors (see below), whose sum is σ = 174002688. Its totient is φ = 108751440.

The previous prime is 140470753. The next prime is 140470783. The reversal of 140470765 is 567074041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140470765 - 223 = 132082157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140470765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452977 + ... + 453286.

It is an arithmetic number, because the mean of its divisors is an integer number (21750336).

Almost surely, 2140470765 is an apocalyptic number.

It is an amenable number.

140470765 is a deficient number, since it is larger than the sum of its proper divisors (33531923).

140470765 is an equidigital number, since it uses as much as digits as its factorization.

140470765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906299.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 140470765 is about 11852.0363229278. The cubic root of 140470765 is about 519.8307696353.

The spelling of 140470765 in words is "one hundred forty million, four hundred seventy thousand, seven hundred sixty-five".

Divisors: 1 5 31 155 906263 4531315 28094153 140470765