Search a number
-
+
140748051 = 346916017
BaseRepresentation
bin10000110001110…
…10010100010011
3100210211202000210
420120322110103
5242012414201
621544415203
73326224113
oct1030722423
9323752023
10140748051
11724a3104
123b177503
132320c992
141499b043
15c5531d6
hex863a513

140748051 has 4 divisors (see below), whose sum is σ = 187664072. Its totient is φ = 93832032.

The previous prime is 140748043. The next prime is 140748061. The reversal of 140748051 is 150847041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140748051 - 23 = 140748043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140748001) 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, 23458006 + ... + 23458011.

It is an arithmetic number, because the mean of its divisors is an integer number (46916018).

Almost surely, 2140748051 is an apocalyptic number.

140748051 is a deficient number, since it is larger than the sum of its proper divisors (46916021).

140748051 is an equidigital number, since it uses as much as digits as its factorization.

140748051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46916020.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 140748051 is about 11863.7283768637. The cubic root of 140748051 is about 520.1725894070.

The spelling of 140748051 in words is "one hundred forty million, seven hundred forty-eight thousand, fifty-one".

Divisors: 1 3 46916017 140748051