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40242692 = 2271437239
BaseRepresentation
bin1001100110000…
…0111000000100
32210201112121002
42121200320010
540300231232
63554312432
7666025430
oct231407004
983645532
1040242692
1120796a26
1211588718
138450159
1454b79c0
1537edb62
hex2660e04

40242692 has 12 divisors (see below), whose sum is σ = 80485440. Its totient is φ = 17246856.

The previous prime is 40242659. The next prime is 40242701. The reversal of 40242692 is 29624204.

40242692 is an admirable 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, 718592 + ... + 718647.

It is an arithmetic number, because the mean of its divisors is an integer number (6707120).

Almost surely, 240242692 is an apocalyptic number.

It is an amenable number.

40242692 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40242692 is a wasteful number, since it uses less digits than its factorization.

40242692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437250 (or 1437248 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40242692 is about 6343.7127929943. The cubic root of 40242692 is about 342.6854576610.

Adding to 40242692 its reverse (29624204), we get a palindrome (69866896).

The spelling of 40242692 in words is "forty million, two hundred forty-two thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 1437239 2874478 5748956 10060673 20121346 40242692