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140772055 = 571396541
BaseRepresentation
bin10000110010000…
…00001011010111
3100210212221221211
420121000023113
5242014201210
621545122251
73326354104
oct1031001327
9323787854
10140772055
117250a146
123b189387
132321a898
14149a5aab
15c55a38a
hex86402d7

140772055 has 8 divisors (see below), whose sum is σ = 171306144. Its totient is φ = 111031200.

The previous prime is 140772017. The next prime is 140772059. The reversal of 140772055 is 550277041.

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

It is not a de Polignac number, because 140772055 - 213 = 140763863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140772059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197916 + ... + 198625.

It is an arithmetic number, because the mean of its divisors is an integer number (21413268).

Almost surely, 2140772055 is an apocalyptic number.

140772055 is a deficient number, since it is larger than the sum of its proper divisors (30534089).

140772055 is an equidigital number, since it uses as much as digits as its factorization.

140772055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396617.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 140772055 is about 11864.7399887229. The cubic root of 140772055 is about 520.2021588232.

The spelling of 140772055 in words is "one hundred forty million, seven hundred seventy-two thousand, fifty-five".

Divisors: 1 5 71 355 396541 1982705 28154411 140772055