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40868788 = 2231329587
BaseRepresentation
bin1001101111100…
…1101110110100
32211220100102211
42123321232310
540430300123
64015543204
71004243662
oct233715664
984810384
1040868788
1121084364
121182ab04
13860c11c
1455dbc32
1538c440d
hex26f9bb4

40868788 has 12 divisors (see below), whose sum is σ = 73827712. Its totient is φ = 19775160.

The previous prime is 40868783. The next prime is 40868797. The reversal of 40868788 is 88786804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40868783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164670 + ... + 164917.

Almost surely, 240868788 is an apocalyptic number.

It is an amenable number.

40868788 is a deficient number, since it is larger than the sum of its proper divisors (32958924).

40868788 is a wasteful number, since it uses less digits than its factorization.

40868788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329622 (or 329620 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The square root of 40868788 is about 6392.8700909685. The cubic root of 40868788 is about 344.4534874567.

It can be divided in two parts, 408 and 68788, that added together give a palindrome (69196).

The spelling of 40868788 in words is "forty million, eight hundred sixty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 4 31 62 124 329587 659174 1318348 10217197 20434394 40868788