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140974446 = 2345751413
BaseRepresentation
bin10000110011100…
…01100101101110
3100211021020120210
420121301211232
5242042140241
621553323250
73331156134
oct1031614556
9324236523
10140974446
1172638208
123b266526
132328ba42
1414a19754
15c59a316
hex867196e

140974446 has 16 divisors (see below), whose sum is σ = 282571344. Its totient is φ = 46887744.

The previous prime is 140974439. The next prime is 140974451. The reversal of 140974446 is 644479041.

140974446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22965 + ... + 28448.

It is an arithmetic number, because the mean of its divisors is an integer number (17660709).

Almost surely, 2140974446 is an apocalyptic number.

140974446 is an abundant number, since it is smaller than the sum of its proper divisors (141596898).

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

140974446 is a wasteful number, since it uses less digits than its factorization.

140974446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51875.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 140974446 is about 11873.2660207712. The cubic root of 140974446 is about 520.4513413732.

It can be divided in two parts, 1409 and 74446, that added together give a triangular number (75855 = T389).

The spelling of 140974446 in words is "one hundred forty million, nine hundred seventy-four thousand, four hundred forty-six".

Divisors: 1 2 3 6 457 914 1371 2742 51413 102826 154239 308478 23495741 46991482 70487223 140974446