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40792648 = 23133710601
BaseRepresentation
bin1001101110011…
…1001001001000
32211202110222211
42123213021020
540420331043
64014154504
71003506001
oct233471110
984673884
1040792648
1121032136
12117b2a34
1385b3580
1455bc1a8
1538aba9d
hex26e7248

40792648 has 32 divisors (see below), whose sum is σ = 84603960. Its totient is φ = 18316800.

The previous prime is 40792643. The next prime is 40792649. The reversal of 40792648 is 84629704.

It can be written as a sum of positive squares in 4 ways, for example, as 39715204 + 1077444 = 6302^2 + 1038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40792648.

It is not an unprimeable number, because it can be changed into a prime (40792643) 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, 1453 + ... + 9148.

Almost surely, 240792648 is an apocalyptic number.

It is an amenable number.

40792648 is an abundant number, since it is smaller than the sum of its proper divisors (43811312).

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

40792648 is a wasteful number, since it uses less digits than its factorization.

40792648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657 (or 10653 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40792648 is about 6386.9122430170. The cubic root of 40792648 is about 344.2394447950.

The spelling of 40792648 in words is "forty million, seven hundred ninety-two thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 26 37 52 74 104 148 296 481 962 1924 3848 10601 21202 42404 84808 137813 275626 392237 551252 784474 1102504 1568948 3137896 5099081 10198162 20396324 40792648