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8215052 = 227925997
BaseRepresentation
bin11111010101101000001100
3120110100221012
4133111220030
54100340202
6452024352
7126553406
oct37255014
916410835
108215052
1147010aa
1229020b8
1319182a1
14113bb76
15ac4152
hex7d5a0c

8215052 has 12 divisors (see below), whose sum is σ = 14558880. Its totient is φ = 4055376.

The previous prime is 8215043. The next prime is 8215057. The reversal of 8215052 is 2505128.

It is not an unprimeable number, because it can be changed into a prime (8215057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12683 + ... + 13314.

It is an arithmetic number, because the mean of its divisors is an integer number (1213240).

Almost surely, 28215052 is an apocalyptic number.

It is an amenable number.

8215052 is a deficient number, since it is larger than the sum of its proper divisors (6343828).

8215052 is a wasteful number, since it uses less digits than its factorization.

8215052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26080 (or 26078 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 8215052 is about 2866.1912008797. The cubic root of 8215052 is about 201.7762774877.

The spelling of 8215052 in words is "eight million, two hundred fifteen thousand, fifty-two".

Divisors: 1 2 4 79 158 316 25997 51994 103988 2053763 4107526 8215052