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7983969 = 37380189
BaseRepresentation
bin11110011101001101100001
3120000121221120
4132131031201
54020441334
6443042453
7124601610
oct36351541
916017846
107983969
114563524
122810429
131867056
1410bb877
15a7a949
hex79d361

7983969 has 8 divisors (see below), whose sum is σ = 12166080. Its totient is φ = 4562256.

The previous prime is 7983959. The next prime is 7983979. The reversal of 7983969 is 9693897.

7983969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7983959) and next prime (7983979).

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

It is not a de Polignac number, because 7983969 - 24 = 7983953 is a prime.

It is a super-2 number, since 2×79839692 = 127487521985922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7983919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 190074 + ... + 190115.

It is an arithmetic number, because the mean of its divisors is an integer number (1520760).

Almost surely, 27983969 is an apocalyptic number.

It is an amenable number.

7983969 is a deficient number, since it is larger than the sum of its proper divisors (4182111).

7983969 is a wasteful number, since it uses less digits than its factorization.

7983969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380199.

The product of its digits is 734832, while the sum is 51.

The square root of 7983969 is about 2825.5917964207. The cubic root of 7983969 is about 199.8663190002.

It can be divided in two parts, 79 and 83969, that added together give a palindrome (84048).

The spelling of 7983969 in words is "seven million, nine hundred eighty-three thousand, nine hundred sixty-nine".

Divisors: 1 3 7 21 380189 1140567 2661323 7983969