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31461214 = 220697603
BaseRepresentation
bin111100000000…
…0111101011110
32012012101200011
41320000331132
531023224324
63042153434
7531262441
oct170007536
965171604
1031461214
1116839304
12a65287a
136697105
14426d658
152b66c94
hex1e00f5e

31461214 has 8 divisors (see below), whose sum is σ = 47220840. Its totient is φ = 15720936.

The previous prime is 31461193. The next prime is 31461223. The reversal of 31461214 is 41216413.

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

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, 337 + ... + 7939.

It is an arithmetic number, because the mean of its divisors is an integer number (5902605).

Almost surely, 231461214 is an apocalyptic number.

31461214 is a deficient number, since it is larger than the sum of its proper divisors (15759626).

31461214 is a wasteful number, since it uses less digits than its factorization.

31461214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9674.

The product of its digits is 576, while the sum is 22.

The square root of 31461214 is about 5609.0296843572. The cubic root of 31461214 is about 315.6883042517.

Adding to 31461214 its reverse (41216413), we get a palindrome (72677627).

The spelling of 31461214 in words is "thirty-one million, four hundred sixty-one thousand, two hundred fourteen".

Divisors: 1 2 2069 4138 7603 15206 15730607 31461214