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8442049 = 71129967
BaseRepresentation
bin100000001101…
…000011000001
3120212220022111
4200031003001
54130121144
6500535321
7131520250
oct40150301
916786274
108442049
114846700
1229b1541
1319976c5
14119a797
15b1b534
hex80d0c1

8442049 has 12 divisors (see below), whose sum is σ = 10605952. Its totient is φ = 6577560.

The previous prime is 8442043. The next prime is 8442059. The reversal of 8442049 is 9402448.

8442049 = T7 + T8 + ... + T369.

It is not a de Polignac number, because 8442049 - 215 = 8409281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8442049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4137 + ... + 5830.

Almost surely, 28442049 is an apocalyptic number.

It is an amenable number.

8442049 is a deficient number, since it is larger than the sum of its proper divisors (2163903).

8442049 is a wasteful number, since it uses less digits than its factorization.

8442049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996 (or 9985 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 8442049 is about 2905.5204353093. The cubic root of 8442049 is about 203.6179009996.

The spelling of 8442049 in words is "eight million, four hundred forty-two thousand, forty-nine".

Divisors: 1 7 11 77 121 847 9967 69769 109637 767459 1206007 8442049