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31449214 = 241383527
BaseRepresentation
bin111011111111…
…0000001111110
32012011210012201
41313332001332
531022333324
63042022114
7531212446
oct167760176
965153181
1031449214
1116830295
12a64793a
136691804
144269126
152b63444
hex1dfe07e

31449214 has 8 divisors (see below), whose sum is σ = 48324528. Its totient is φ = 15341040.

The previous prime is 31449191. The next prime is 31449233. The reversal of 31449214 is 41294413.

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

It is a super-2 number, since 2×314492142 = 1978106122435592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191682 + ... + 191845.

It is an arithmetic number, because the mean of its divisors is an integer number (6040566).

Almost surely, 231449214 is an apocalyptic number.

31449214 is a deficient number, since it is larger than the sum of its proper divisors (16875314).

31449214 is a wasteful number, since it uses less digits than its factorization.

31449214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383570.

The product of its digits is 3456, while the sum is 28.

The square root of 31449214 is about 5607.9598786011. The cubic root of 31449214 is about 315.6481623233.

The spelling of 31449214 in words is "thirty-one million, four hundred forty-nine thousand, two hundred fourteen".

Divisors: 1 2 41 82 383527 767054 15724607 31449214