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140395377 = 346798459
BaseRepresentation
bin10000101111001…
…00001101110001
3100210011211020210
420113210031301
5241420123002
621533054333
73323224653
oct1027441561
9323154223
10140395377
1172282141
123b0273a9
13231182b5
14149086d3
15c4d396c
hex85e4371

140395377 has 4 divisors (see below), whose sum is σ = 187193840. Its totient is φ = 93596916.

The previous prime is 140395369. The next prime is 140395393. The reversal of 140395377 is 773593041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140395377 - 23 = 140395369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140395327) 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 3 ways as a sum of consecutive naturals, for example, 23399227 + ... + 23399232.

It is an arithmetic number, because the mean of its divisors is an integer number (46798460).

Almost surely, 2140395377 is an apocalyptic number.

It is an amenable number.

140395377 is a deficient number, since it is larger than the sum of its proper divisors (46798463).

140395377 is an equidigital number, since it uses as much as digits as its factorization.

140395377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46798462.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 140395377 is about 11848.8555143524. The cubic root of 140395377 is about 519.7377585502.

The spelling of 140395377 in words is "one hundred forty million, three hundred ninety-five thousand, three hundred seventy-seven".

Divisors: 1 3 46798459 140395377