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140146284 = 22311678857
BaseRepresentation
bin10000101101001…
…11011001101100
3100202201011120010
420112213121230
5241334140114
621523453220
73321136515
oct1026473154
9322634503
10140146284
1172121a83
123ab27210
132305bac5
1414881a0c
15c484c59
hex85a766c

140146284 has 12 divisors (see below), whose sum is σ = 327008024. Its totient is φ = 46715424.

The previous prime is 140146277. The next prime is 140146297. The reversal of 140146284 is 482641041.

140146284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5839417 + ... + 5839440.

Almost surely, 2140146284 is an apocalyptic number.

It is an amenable number.

140146284 is an abundant number, since it is smaller than the sum of its proper divisors (186861740).

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

140146284 is a wasteful number, since it uses less digits than its factorization.

140146284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678864 (or 11678862 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 140146284 is about 11838.3395795187. The cubic root of 140146284 is about 519.4301993287.

The spelling of 140146284 in words is "one hundred forty million, one hundred forty-six thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 11678857 23357714 35036571 46715428 70073142 140146284