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140872973 = 1961121547
BaseRepresentation
bin10000110010110…
…00110100001101
3100211002002101112
420121120310031
5242030413343
621551221405
73330254243
oct1031306415
9324062345
10140872973
1172578a4a
123b217865
13232547b7
14149d0793
15c57a218
hex8658d0d

140872973 has 8 divisors (see below), whose sum is σ = 150719520. Its totient is φ = 131269680.

The previous prime is 140872969. The next prime is 140872987. The reversal of 140872973 is 379278041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140872973 - 22 = 140872969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140872973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140872903) 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, 59615 + ... + 61932.

It is an arithmetic number, because the mean of its divisors is an integer number (18839940).

Almost surely, 2140872973 is an apocalyptic number.

It is an amenable number.

140872973 is a deficient number, since it is larger than the sum of its proper divisors (9846547).

140872973 is a wasteful number, since it uses less digits than its factorization.

140872973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121627.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 140872973 is about 11868.9920802063. The cubic root of 140872973 is about 520.3264382749.

The spelling of 140872973 in words is "one hundred forty million, eight hundred seventy-two thousand, nine hundred seventy-three".

Divisors: 1 19 61 1159 121547 2309393 7414367 140872973