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40903053 = 315786843
BaseRepresentation
bin1001110000001…
…0000110001101
32211222002102220
42130002012031
540432344203
64020405553
71004445612
oct234020615
984862386
1040903053
11210a8084
12118468b9
1386218b9
14560a509
1538ce653
hex270218d

40903053 has 8 divisors (see below), whose sum is σ = 54885408. Its totient is φ = 27094704.

The previous prime is 40902973. The next prime is 40903061. The reversal of 40903053 is 35030904.

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

It is not a de Polignac number, because 40903053 - 218 = 40640909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40903073) 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, 42951 + ... + 43892.

It is an arithmetic number, because the mean of its divisors is an integer number (6860676).

Almost surely, 240903053 is an apocalyptic number.

It is an amenable number.

40903053 is a deficient number, since it is larger than the sum of its proper divisors (13982355).

40903053 is a wasteful number, since it uses less digits than its factorization.

40903053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87003.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 40903053 is about 6395.5494681849. The cubic root of 40903053 is about 344.5497255424.

Adding to 40903053 its reverse (35030904), we get a palindrome (75933957).

The spelling of 40903053 in words is "forty million, nine hundred three thousand, fifty-three".

Divisors: 1 3 157 471 86843 260529 13634351 40903053