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28853082 = 2321602949
BaseRepresentation
bin110111000010…
…0001101011010
32000021212222200
41232010031122
524341244312
62510231030
7500150526
oct156041532
960255880
1028853082
1115317825
1297b5476
135c92c3b
143b90d86
1527ee0dc
hex1b8435a

28853082 has 12 divisors (see below), whose sum is σ = 62515050. Its totient is φ = 9617688.

The previous prime is 28853059. The next prime is 28853087. The reversal of 28853082 is 28035882.

It can be written as a sum of positive squares in only one way, i.e., 26718561 + 2134521 = 5169^2 + 1461^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28853087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801457 + ... + 801492.

Almost surely, 228853082 is an apocalyptic number.

28853082 is an abundant number, since it is smaller than the sum of its proper divisors (33661968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28853082 is a wasteful number, since it uses less digits than its factorization.

28853082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602957 (or 1602954 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 28853082 is about 5371.5064925959. The cubic root of 28853082 is about 306.7119779193.

The spelling of 28853082 in words is "twenty-eight million, eight hundred fifty-three thousand, eighty-two".

Divisors: 1 2 3 6 9 18 1602949 3205898 4808847 9617694 14426541 28853082