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40031103 = 371906243
BaseRepresentation
bin1001100010110…
…1001101111111
32210022210100110
42120231031333
540221443403
63550001103
7664154520
oct230551577
983283313
1040031103
1120661a62
12114a6193
1383a7a58
145460847
1537ab103
hex262d37f

40031103 has 8 divisors (see below), whose sum is σ = 60999808. Its totient is φ = 22874904.

The previous prime is 40031071. The next prime is 40031113. The reversal of 40031103 is 30113004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40031103 - 25 = 40031071 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 (40031113) 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, 953101 + ... + 953142.

It is an arithmetic number, because the mean of its divisors is an integer number (7624976).

Almost surely, 240031103 is an apocalyptic number.

40031103 is a deficient number, since it is larger than the sum of its proper divisors (20968705).

40031103 is a wasteful number, since it uses less digits than its factorization.

40031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906253.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 40031103 is about 6327.0137505778. The cubic root of 40031103 is about 342.0838086730.

Adding to 40031103 its reverse (30113004), we get a palindrome (70144107).

The spelling of 40031103 in words is "forty million, thirty-one thousand, one hundred three".

Divisors: 1 3 7 21 1906243 5718729 13343701 40031103