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7974241 = 111742643
BaseRepresentation
bin11110011010110101100001
3120000010121021
4132122311201
54020133431
6442525441
7124531342
oct36326541
916003537
107974241
114557190
122806881
1318627b2
1410b80c9
15a77b11
hex79ad61

7974241 has 8 divisors (see below), whose sum is σ = 9211104. Its totient is φ = 6822720.

The previous prime is 7974233. The next prime is 7974251. The reversal of 7974241 is 1424797.

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

It is a cyclic number.

It is not a de Polignac number, because 7974241 - 23 = 7974233 is a prime.

It is a Duffinian number.

7974241 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7974197 and 7974206.

It is not an unprimeable number, because it can be changed into a prime (7974251) 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, 21135 + ... + 21508.

It is an arithmetic number, because the mean of its divisors is an integer number (1151388).

Almost surely, 27974241 is an apocalyptic number.

It is an amenable number.

7974241 is a deficient number, since it is larger than the sum of its proper divisors (1236863).

7974241 is a wasteful number, since it uses less digits than its factorization.

7974241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42671.

The product of its digits is 14112, while the sum is 34.

The square root of 7974241 is about 2823.8698624405. The cubic root of 7974241 is about 199.7851108627.

The spelling of 7974241 in words is "seven million, nine hundred seventy-four thousand, two hundred forty-one".

Divisors: 1 11 17 187 42643 469073 724931 7974241