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140352454 = 21116339139
BaseRepresentation
bin10000101110110…
…01101111000110
3100210002122101001
420113121233012
5241412234304
621532123514
73322655554
oct1027315706
9323078331
10140352454
1172252970
123b00659a
13231018b8
14148d6bd4
15c4c5da4
hex85d9bc6

140352454 has 16 divisors (see below), whose sum is σ = 231082560. Its totient is φ = 63403560.

The previous prime is 140352403. The next prime is 140352467. The reversal of 140352454 is 454253041.

It is a super-2 number, since 2×1403524542 = 39397622687644232, which contains 22 as substring.

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, 15984 + ... + 23155.

It is an arithmetic number, because the mean of its divisors is an integer number (14442660).

Almost surely, 2140352454 is an apocalyptic number.

140352454 is a deficient number, since it is larger than the sum of its proper divisors (90730106).

140352454 is a wasteful number, since it uses less digits than its factorization.

140352454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39315.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 140352454 is about 11847.0441039105. The cubic root of 140352454 is about 519.6847867735.

The spelling of 140352454 in words is "one hundred forty million, three hundred fifty-two thousand, four hundred fifty-four".

Divisors: 1 2 11 22 163 326 1793 3586 39139 78278 430529 861058 6379657 12759314 70176227 140352454