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8049897 = 322773229
BaseRepresentation
bin11110101101010011101001
3120010222101100
4132231103221
54030044042
6444312013
7125265042
oct36552351
916128340
108049897
1145a9009
122842609
13188b06b
1410d78c9
15a9024c
hex7ad4e9

8049897 has 12 divisors (see below), whose sum is σ = 11673220. Its totient is φ = 5345568.

The previous prime is 8049889. The next prime is 8049913. The reversal of 8049897 is 7989408.

It can be written as a sum of positive squares in 2 ways, for example, as 1879641 + 6170256 = 1371^2 + 2484^2 .

It is not a de Polignac number, because 8049897 - 23 = 8049889 is a prime.

It is an Ulam number.

It is a Duffinian number.

8049897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8049887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879 + ... + 4107.

Almost surely, 28049897 is an apocalyptic number.

It is an amenable number.

8049897 is a deficient number, since it is larger than the sum of its proper divisors (3623323).

8049897 is a wasteful number, since it uses less digits than its factorization.

8049897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512 (or 3509 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8049897 is about 2837.2340403992. The cubic root of 8049897 is about 200.4149468336.

It can be divided in two parts, 804 and 9897, that added together give a palindrome (10701).

The spelling of 8049897 in words is "eight million, forty-nine thousand, eight hundred ninety-seven".

Divisors: 1 3 9 277 831 2493 3229 9687 29061 894433 2683299 8049897