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40745748 = 2233395479
BaseRepresentation
bin1001101101101…
…1101100010100
32211200002122210
42123123230110
540412330443
64013153420
71003222161
oct233335424
984602583
1040745748
1120aaa97a
121178b870
138598114
1455a9068
15389cc33
hex26dbb14

40745748 has 12 divisors (see below), whose sum is σ = 95073440. Its totient is φ = 13581912.

The previous prime is 40745737. The next prime is 40745767. The reversal of 40745748 is 84754704.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1697728 + ... + 1697751.

Almost surely, 240745748 is an apocalyptic number.

It is an amenable number.

40745748 is an abundant number, since it is smaller than the sum of its proper divisors (54327692).

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

40745748 is a wasteful number, since it uses less digits than its factorization.

40745748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395486 (or 3395484 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 40745748 is about 6383.2396163704. The cubic root of 40745748 is about 344.1074682254.

The spelling of 40745748 in words is "forty million, seven hundred forty-five thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 3395479 6790958 10186437 13581916 20372874 40745748