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140321754 = 2338772963
BaseRepresentation
bin10000101110100…
…10001111011010
3100210001002021000
420113102033122
5241410244004
621531325430
73322500216
oct1027221732
9323032230
10140321754
11722318a1
123abb0876
13230c0931
14148c9946
15c4bbc39
hex85d23da

140321754 has 32 divisors (see below), whose sum is σ = 312287040. Its totient is φ = 46704816.

The previous prime is 140321747. The next prime is 140321759. The reversal of 140321754 is 457123041.

140321754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140321759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45877 + ... + 48839.

It is an arithmetic number, because the mean of its divisors is an integer number (9758970).

Almost surely, 2140321754 is an apocalyptic number.

140321754 is an abundant number, since it is smaller than the sum of its proper divisors (171965286).

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

140321754 is a wasteful number, since it uses less digits than its factorization.

140321754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140321754 is about 11845.7483512018. The cubic root of 140321754 is about 519.6468929192.

Adding to 140321754 its reverse (457123041), we get a palindrome (597444795).

The spelling of 140321754 in words is "one hundred forty million, three hundred twenty-one thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 877 1754 2631 2963 5262 5926 7893 8889 15786 17778 23679 26667 47358 53334 80001 160002 2598551 5197102 7795653 15591306 23386959 46773918 70160877 140321754