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902013 = 3742953
BaseRepresentation
bin11011100001101111101
31200211022220
43130031331
5212331023
631155553
710444530
oct3341575
91624286
10902013
11566772
12375bb9
13257748
14196a17
1512c3e3
hexdc37d

902013 has 8 divisors (see below), whose sum is σ = 1374528. Its totient is φ = 515424.

The previous prime is 902009. The next prime is 902017. The reversal of 902013 is 310209.

It is an interprime number because it is at equal distance from previous prime (902009) and next prime (902017).

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

It is not a de Polignac number, because 902013 - 22 = 902009 is a prime.

902013 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 901983 and 902001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21456 + ... + 21497.

It is an arithmetic number, because the mean of its divisors is an integer number (171816).

2902013 is an apocalyptic number.

It is an amenable number.

902013 is a deficient number, since it is larger than the sum of its proper divisors (472515).

902013 is a wasteful number, since it uses less digits than its factorization.

902013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42963.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 902013 is about 949.7436496234. The cubic root of 902013 is about 96.6208674576.

The spelling of 902013 in words is "nine hundred two thousand, thirteen".

Divisors: 1 3 7 21 42953 128859 300671 902013