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140841799 = 720120257
BaseRepresentation
bin10000110010100…
…01001101000111
3100211000111121221
420121101031013
5242023414144
621550421211
73330064330
oct1031211507
9324014557
10140841799
117255758a
123b201807
1323243557
14149c3287
15c570d84
hex8651347

140841799 has 4 divisors (see below), whose sum is σ = 160962064. Its totient is φ = 120721536.

The previous prime is 140841797. The next prime is 140841809. The reversal of 140841799 is 997148041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997148041 = 1039959719.

It is a cyclic number.

It is not a de Polignac number, because 140841799 - 21 = 140841797 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 (140841793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060122 + ... + 10060135.

It is an arithmetic number, because the mean of its divisors is an integer number (40240516).

Almost surely, 2140841799 is an apocalyptic number.

140841799 is a deficient number, since it is larger than the sum of its proper divisors (20120265).

140841799 is an equidigital number, since it uses as much as digits as its factorization.

140841799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20120264.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 140841799 is about 11867.6787536569. The cubic root of 140841799 is about 520.2880541602.

The spelling of 140841799 in words is "one hundred forty million, eight hundred forty-one thousand, seven hundred ninety-nine".

Divisors: 1 7 20120257 140841799