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974012249 = 7219877801
BaseRepresentation
bin111010000011100…
…011111101011001
32111212202221121202
4322003203331121
53443321342444
6240352243545
733064652600
oct7203437531
92455687552
10974012249
1145a893901
122322405b5
13126a3b512
1493504a37
155a79b34e
hex3a0e3f59

974012249 has 6 divisors (see below), whose sum is σ = 1133034714. Its totient is φ = 834867600.

The previous prime is 974012243. The next prime is 974012261. The reversal of 974012249 is 942210479.

It can be written as a sum of positive squares in only one way, i.e., 715027600 + 258984649 = 26740^2 + 16093^2 .

It is not a de Polignac number, because 974012249 - 224 = 957235033 is a prime.

It is a super-2 number, since 2×9740122492 = 1897399722404076002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (974012243) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 9938852 + ... + 9938949.

It is an arithmetic number, because the mean of its divisors is an integer number (188839119).

Almost surely, 2974012249 is an apocalyptic number.

It is an amenable number.

974012249 is a deficient number, since it is larger than the sum of its proper divisors (159022465).

974012249 is a wasteful number, since it uses less digits than its factorization.

974012249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19877815 (or 19877808 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 974012249 is about 31209.1693096756. The cubic root of 974012249 is about 991.2612734367.

The spelling of 974012249 in words is "nine hundred seventy-four million, twelve thousand, two hundred forty-nine".

Divisors: 1 7 49 19877801 139144607 974012249