Search a number
-
+
140376257 = 740574943
BaseRepresentation
bin10000101110111…
…11100011000001
3100210010212000122
420113133203001
5241414020012
621532430025
73323115140
oct1027374301
9323125018
10140376257
117226983a
123b018315
132310c698
1414901757
15c4cce72
hex85df8c1

140376257 has 8 divisors (see below), whose sum is σ = 160502016. Its totient is φ = 120268512.

The previous prime is 140376253. The next prime is 140376319. The reversal of 140376257 is 752673041.

140376257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140376257 - 22 = 140376253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140376253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25928 + ... + 30870.

It is an arithmetic number, because the mean of its divisors is an integer number (20062752).

Almost surely, 2140376257 is an apocalyptic number.

It is an amenable number.

140376257 is a deficient number, since it is larger than the sum of its proper divisors (20125759).

140376257 is an equidigital number, since it uses as much as digits as its factorization.

140376257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 140376257 is about 11848.0486579014. The cubic root of 140376257 is about 519.7141636681.

The spelling of 140376257 in words is "one hundred forty million, three hundred seventy-six thousand, two hundred fifty-seven".

Divisors: 1 7 4057 4943 28399 34601 20053751 140376257