Search a number
-
+
140758557 = 3446310513
BaseRepresentation
bin10000110001111…
…00111000011101
3100210212021102220
420120330320131
5242013233212
621544535553
73326266542
oct1030747035
9323767386
10140758557
11724aaa95
123b1815b9
13232146b4
14149a0bc9
15c55638c
hex863ce1d

140758557 has 8 divisors (see below), whose sum is σ = 187737984. Its totient is φ = 93809088.

The previous prime is 140758531. The next prime is 140758559. The reversal of 140758557 is 755857041.

140758557 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 140758557 - 212 = 140754461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140758559) 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, 8133 + ... + 18645.

It is an arithmetic number, because the mean of its divisors is an integer number (23467248).

Almost surely, 2140758557 is an apocalyptic number.

It is an amenable number.

140758557 is a deficient number, since it is larger than the sum of its proper divisors (46979427).

140758557 is a wasteful number, since it uses less digits than its factorization.

140758557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14979.

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 140758557 is about 11864.1711467763. The cubic root of 140758557 is about 520.1855316757.

The spelling of 140758557 in words is "one hundred forty million, seven hundred fifty-eight thousand, five hundred fifty-seven".

Divisors: 1 3 4463 10513 13389 31539 46919519 140758557