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75326140 = 2253766307
BaseRepresentation
bin1000111110101…
…10001010111100
312020201222001001
410133112022330
5123240414030
611250300044
71603155511
oct437261274
9166658031
1075326140
113957970a
1221287624
13127b4ba6
14a00b308
15692dcca
hex47d62bc

75326140 has 12 divisors (see below), whose sum is σ = 158184936. Its totient is φ = 30130448.

The previous prime is 75326123. The next prime is 75326161. The reversal of 75326140 is 4162357.

It is a junction number, because it is equal to n+sod(n) for n = 75326099 and 75326108.

It is a congruent number.

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, 1883134 + ... + 1883173.

It is an arithmetic number, because the mean of its divisors is an integer number (13182078).

Almost surely, 275326140 is an apocalyptic number.

It is an amenable number.

75326140 is an abundant number, since it is smaller than the sum of its proper divisors (82858796).

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

75326140 is a wasteful number, since it uses less digits than its factorization.

75326140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766316 (or 3766314 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 75326140 is about 8679.0633135149. The cubic root of 75326140 is about 422.3267312344.

Adding to 75326140 its reverse (4162357), we get a palindrome (79488497).

It can be divided in two parts, 75326 and 140, that added together give a triangular number (75466 = T388).

The spelling of 75326140 in words is "seventy-five million, three hundred twenty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3766307 7532614 15065228 18831535 37663070 75326140