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1214843974 = 21075676841
BaseRepresentation
bin100100001101001…
…0000110001000110
310010122221110122021
41020122100301012
54442000001344
6320314153354
742051001111
oct11032206106
93118843567
101214843974
11573825293
1229aa2285a
131648c0ab6
14b74b5578
15719bdb84
hex48690c46

1214843974 has 8 divisors (see below), whose sum is σ = 1839296808. Its totient is φ = 601745040.

The previous prime is 1214843951. The next prime is 1214843989. The reversal of 1214843974 is 4793484121.

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

It is a super-2 number, since 2×12148439742 = 2951691762328225352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1214843974.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838207 + ... + 2838634.

It is an arithmetic number, because the mean of its divisors is an integer number (229912101).

Almost surely, 21214843974 is an apocalyptic number.

1214843974 is a deficient number, since it is larger than the sum of its proper divisors (624452834).

1214843974 is a wasteful number, since it uses less digits than its factorization.

1214843974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676950.

The product of its digits is 193536, while the sum is 43.

The square root of 1214843974 is about 34854.6119473449. The cubic root of 1214843974 is about 1067.0223130267.

The spelling of 1214843974 in words is "one billion, two hundred fourteen million, eight hundred forty-three thousand, nine hundred seventy-four".

Divisors: 1 2 107 214 5676841 11353682 607421987 1214843974