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31404102 = 235234017
BaseRepresentation
bin111011111001…
…1000001000110
32012002111022220
41313303001012
531014412402
63041033210
7530634102
oct167630106
965074286
1031404102
11167aa404
12a625806
136677112
144256902
152b54dbc
hex1df3046

31404102 has 8 divisors (see below), whose sum is σ = 62808216. Its totient is φ = 10468032.

The previous prime is 31404101. The next prime is 31404119. The reversal of 31404102 is 20140413.

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

31404102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404101) 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, 2617003 + ... + 2617014.

It is an arithmetic number, because the mean of its divisors is an integer number (7851027).

Almost surely, 231404102 is an apocalyptic number.

31404102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31404102 is a wasteful number, since it uses less digits than its factorization.

31404102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234022.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 31404102 is about 5603.9362951411. The cubic root of 31404102 is about 315.4971640195.

Adding to 31404102 its reverse (20140413), we get a palindrome (51544515).

The spelling of 31404102 in words is "thirty-one million, four hundred four thousand, one hundred two".

Divisors: 1 2 3 6 5234017 10468034 15702051 31404102