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40031037 = 331482631
BaseRepresentation
bin1001100010110…
…1001100111101
32210022210021000
42120231030331
540221443122
63550000513
7664154364
oct230551475
983283230
1040031037
1120661a02
12114a6139
1383a7a07
1454607db
1537ab0ac
hex262d33d

40031037 has 8 divisors (see below), whose sum is σ = 59305280. Its totient is φ = 26687340.

The previous prime is 40031029. The next prime is 40031051. The reversal of 40031037 is 73013004.

It is not a de Polignac number, because 40031037 - 23 = 40031029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032037) 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, 741289 + ... + 741342.

It is an arithmetic number, because the mean of its divisors is an integer number (7413160).

Almost surely, 240031037 is an apocalyptic number.

It is an amenable number.

40031037 is a deficient number, since it is larger than the sum of its proper divisors (19274243).

40031037 is a wasteful number, since it uses less digits than its factorization.

40031037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482640 (or 1482634 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 40031037 is about 6327.0085348449. The cubic root of 40031037 is about 342.0836206730.

The spelling of 40031037 in words is "forty million, thirty-one thousand, thirty-seven".

Divisors: 1 3 9 27 1482631 4447893 13343679 40031037