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140611398 = 23157149269
BaseRepresentation
bin10000110000110…
…00111101000110
3100210120210120120
420120120331012
5241444031043
621541442410
73325114524
oct1030307506
9323523516
10140611398
117240a474
123b110406
1323192715
1414963314
15c527983
hex8618f46

140611398 has 16 divisors (see below), whose sum is σ = 283015920. Its totient is φ = 46571616.

The previous prime is 140611391. The next prime is 140611399. The reversal of 140611398 is 893116041.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140611391) 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, 73693 + ... + 75576.

It is an arithmetic number, because the mean of its divisors is an integer number (17688495).

Almost surely, 2140611398 is an apocalyptic number.

140611398 is an abundant number, since it is smaller than the sum of its proper divisors (142404522).

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

140611398 is a wasteful number, since it uses less digits than its factorization.

140611398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149431.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 140611398 is about 11857.9677010861. The cubic root of 140611398 is about 520.0041888223.

The spelling of 140611398 in words is "one hundred forty million, six hundred eleven thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 157 314 471 942 149269 298538 447807 895614 23435233 46870466 70305699 140611398