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28853876 = 227213469
BaseRepresentation
bin110111000010…
…0011001110100
32000021221002002
41232010121310
524341311001
62510234432
7500153042
oct156043164
960257062
1028853876
1115318387
1297b5a18
135c933cc
143b91392
1527ee46b
hex1b84674

28853876 has 6 divisors (see below), whose sum is σ = 50494290. Its totient is φ = 14426936.

The previous prime is 28853857. The next prime is 28853887. The reversal of 28853876 is 67835882.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 763876 = 5300^2 + 874^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28853876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606731 + ... + 3606738.

It is an arithmetic number, because the mean of its divisors is an integer number (8415715).

Almost surely, 228853876 is an apocalyptic number.

It is an amenable number.

28853876 is a deficient number, since it is larger than the sum of its proper divisors (21640414).

28853876 is a wasteful number, since it uses less digits than its factorization.

28853876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213473 (or 7213471 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 28853876 is about 5371.5804005898. The cubic root of 28853876 is about 306.7147913343.

The spelling of 28853876 in words is "twenty-eight million, eight hundred fifty-three thousand, eight hundred seventy-six".

Divisors: 1 2 4 7213469 14426938 28853876