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45378 = 2322521
BaseRepresentation
bin1011000101000010
32022020200
423011002
52423003
6550030
7246204
oct130502
968220
1045378
1131103
1222316
1317868
1412774
15d6a3
hexb142

45378 has 12 divisors (see below), whose sum is σ = 98358. Its totient is φ = 15120.

The previous prime is 45377. The next prime is 45389. The reversal of 45378 is 87354.

It can be written as a sum of positive squares in only one way, i.e., 45369 + 9 = 213^2 + 3^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45378.

It is not an unprimeable number, because it can be changed into a prime (45377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1243 + ... + 1278.

245378 is an apocalyptic number.

45378 is an abundant number, since it is smaller than the sum of its proper divisors (52980).

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

45378 is a wasteful number, since it uses less digits than its factorization.

45378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529 (or 2526 counting only the distinct ones).

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

The square root of 45378 is about 213.0211257129. The cubic root of 45378 is about 35.6682484911.

It can be divided in two parts, 4 and 5378, that multiplied together give a palindrome (21512).

The spelling of 45378 in words is "forty-five thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 2521 5042 7563 15126 22689 45378