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140900557 = 7199101149
BaseRepresentation
bin10000110010111…
…11100011001101
3100211010111020011
420121133203031
5242032304212
621551553221
73330430540
oct1031374315
9324114204
10140900557
1172597746
123b22b811
1323264215
14149da857
15c5834a7
hex865f8cd

140900557 has 8 divisors (see below), whose sum is σ = 161840000. Its totient is φ = 120163824.

The previous prime is 140900537. The next prime is 140900563. The reversal of 140900557 is 755009041.

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

It is a cyclic number.

It is not a de Polignac number, because 140900557 - 27 = 140900429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140900537) 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, 49182 + ... + 51967.

It is an arithmetic number, because the mean of its divisors is an integer number (20230000).

Almost surely, 2140900557 is an apocalyptic number.

It is an amenable number.

140900557 is a deficient number, since it is larger than the sum of its proper divisors (20939443).

140900557 is a wasteful number, since it uses less digits than its factorization.

140900557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101355.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 140900557 is about 11870.1540428084. The cubic root of 140900557 is about 520.3603973504.

Adding to 140900557 its reverse (755009041), we get a palindrome (895909598).

The spelling of 140900557 in words is "one hundred forty million, nine hundred thousand, five hundred fifty-seven".

Divisors: 1 7 199 1393 101149 708043 20128651 140900557