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140487193 = 7119711879
BaseRepresentation
bin10000101111110…
…10101000011001
3100210100111012101
420113322220121
5241431042233
621535043401
73324056440
oct1027725031
9323314171
10140487193
1172335120
123b070561
132314b022
141492dd57
15c500c7d
hex85faa19

140487193 has 16 divisors (see below), whose sum is σ = 175426560. Its totient is φ = 109299600.

The previous prime is 140487181. The next prime is 140487199. The reversal of 140487193 is 391784041.

140487193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140487193 - 29 = 140486681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140487199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73828 + ... + 75706.

It is an arithmetic number, because the mean of its divisors is an integer number (10964160).

Almost surely, 2140487193 is an apocalyptic number.

It is an amenable number.

140487193 is a deficient number, since it is larger than the sum of its proper divisors (34939367).

140487193 is a wasteful number, since it uses less digits than its factorization.

140487193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 140487193 is about 11852.7293481291. The cubic root of 140487193 is about 519.8510335125.

The spelling of 140487193 in words is "one hundred forty million, four hundred eighty-seven thousand, one hundred ninety-three".

Divisors: 1 7 11 77 971 1879 6797 10681 13153 20669 74767 144683 1824509 12771563 20069599 140487193