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8142772 = 2211185063
BaseRepresentation
bin11111000011111110110100
3120022200210011
4133003332310
54041032042
6450310004
7126132601
oct37037664
916280704
108142772
114661870
122888304
1318c1411
14111d6a8
15aaca17
hex7c3fb4

8142772 has 12 divisors (see below), whose sum is σ = 15545376. Its totient is φ = 3701240.

The previous prime is 8142769. The next prime is 8142787. The reversal of 8142772 is 2772418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92488 + ... + 92575.

It is an arithmetic number, because the mean of its divisors is an integer number (1295448).

Almost surely, 28142772 is an apocalyptic number.

It is an amenable number.

8142772 is a deficient number, since it is larger than the sum of its proper divisors (7402604).

8142772 is a wasteful number, since it uses less digits than its factorization.

8142772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185078 (or 185076 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 8142772 is about 2853.5542749350. The cubic root of 8142772 is about 201.1827582926.

The spelling of 8142772 in words is "eight million, one hundred forty-two thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 22 44 185063 370126 740252 2035693 4071386 8142772