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31204414 = 231503297
BaseRepresentation
bin111011100001…
…0010000111110
32011201100102001
41313002100332
530442020124
63032452514
7526142653
oct167022076
964640361
1031204414
111668337a
12a54a13a
136607267
144203c2a
152b15b44
hex1dc243e

31204414 has 8 divisors (see below), whose sum is σ = 48316608. Its totient is φ = 15098880.

The previous prime is 31204387. The next prime is 31204421. The reversal of 31204414 is 41440213.

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

It is a junction number, because it is equal to n+sod(n) for n = 31204391 and 31204400.

It is a congruent number.

It is an unprimeable number.

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, 251587 + ... + 251710.

It is an arithmetic number, because the mean of its divisors is an integer number (6039576).

Almost surely, 231204414 is an apocalyptic number.

31204414 is a deficient number, since it is larger than the sum of its proper divisors (17112194).

31204414 is a wasteful number, since it uses less digits than its factorization.

31204414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503330.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 31204414 is about 5586.0911199156. The cubic root of 31204414 is about 314.8270285768.

Adding to 31204414 its reverse (41440213), we get a palindrome (72644627).

The spelling of 31204414 in words is "thirty-one million, two hundred four thousand, four hundred fourteen".

Divisors: 1 2 31 62 503297 1006594 15602207 31204414