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140869782 = 2327826099
BaseRepresentation
bin10000110010110…
…00000010010110
3100211001221000100
420121120002112
5242030313112
621551154530
73330242034
oct1031300226
9324057010
10140869782
1172576609
123b215a46
1323253201
14149cd554
15c5792dc
hex8658096

140869782 has 12 divisors (see below), whose sum is σ = 305217900. Its totient is φ = 46956588.

The previous prime is 140869753. The next prime is 140869787. The reversal of 140869782 is 287968041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140869787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3913032 + ... + 3913067.

It is an arithmetic number, because the mean of its divisors is an integer number (25434825).

Almost surely, 2140869782 is an apocalyptic number.

140869782 is an abundant number, since it is smaller than the sum of its proper divisors (164348118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140869782 is a wasteful number, since it uses less digits than its factorization.

140869782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826107 (or 7826104 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 140869782 is about 11868.8576535402. The cubic root of 140869782 is about 520.3225095009.

The spelling of 140869782 in words is "one hundred forty million, eight hundred sixty-nine thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 9 18 7826099 15652198 23478297 46956594 70434891 140869782