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40083039 = 336124337
BaseRepresentation
bin1001100011100…
…1111001011111
32210102102121000
42120321321133
540230124124
63551041343
7664462113
oct230717137
983372530
1040083039
1120697a87
1211510253
1383c5599
145475743
1537bb6c9
hex2639e5f

40083039 has 16 divisors (see below), whose sum is σ = 60358240. Its totient is φ = 26282880.

The previous prime is 40083023. The next prime is 40083047. The reversal of 40083039 is 93038004.

It is not a de Polignac number, because 40083039 - 24 = 40083023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40083079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10522 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (3772390).

Almost surely, 240083039 is an apocalyptic number.

40083039 is a deficient number, since it is larger than the sum of its proper divisors (20275201).

40083039 is a wasteful number, since it uses less digits than its factorization.

40083039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407 (or 24401 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40083039 is about 6331.1167261392. The cubic root of 40083039 is about 342.2316835798.

The spelling of 40083039 in words is "forty million, eighty-three thousand, thirty-nine".

Divisors: 1 3 9 27 61 183 549 1647 24337 73011 219033 657099 1484557 4453671 13361013 40083039