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31004102 = 268322697
BaseRepresentation
bin111011001000…
…1010111000110
32011100011122002
41312101113012
530414112402
63024305302
7524346653
oct166212706
964304562
1031004102
1116556928
12a472232
13656702c
144190c2a
152ac6602
hex1d915c6

31004102 has 8 divisors (see below), whose sum is σ = 46576296. Its totient is φ = 15478672.

The previous prime is 31004101. The next prime is 31004111. The reversal of 31004102 is 20140013.

It is a happy number.

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

It is a super-2 number, since 2×310041022 = 1922508681652808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31004101) 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 3 ways as a sum of consecutive naturals, for example, 9983 + ... + 12714.

It is an arithmetic number, because the mean of its divisors is an integer number (5822037).

Almost surely, 231004102 is an apocalyptic number.

31004102 is a deficient number, since it is larger than the sum of its proper divisors (15572194).

31004102 is a wasteful number, since it uses less digits than its factorization.

31004102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23382.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 31004102 is about 5568.1327211194. The cubic root of 31004102 is about 314.1519204812.

Adding to 31004102 its reverse (20140013), we get a palindrome (51144115).

The spelling of 31004102 in words is "thirty-one million, four thousand, one hundred two".

Divisors: 1 2 683 1366 22697 45394 15502051 31004102