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28596992 = 28176571
BaseRepresentation
bin110110100010…
…1101100000000
31222210212200212
41231011230000
524310100432
62500533252
7465033104
oct155055400
958725625
1028596992
1115162386
1296b1228
135c034c8
143b25904
15279d2b2
hex1b45b00

28596992 has 36 divisors (see below), whose sum is σ = 60449256. Its totient is φ = 13455360.

The previous prime is 28596989. The next prime is 28597001. The reversal of 28596992 is 29969582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28596992.

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, 1067 + ... + 7637.

It is an arithmetic number, because the mean of its divisors is an integer number (1679146).

Almost surely, 228596992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28596992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30224628).

28596992 is an abundant number, since it is smaller than the sum of its proper divisors (31852264).

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

28596992 is an equidigital number, since it uses as much as digits as its factorization.

28596992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604 (or 6590 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The square root of 28596992 is about 5347.6155433988. The cubic root of 28596992 is about 305.8018567161.

The spelling of 28596992 in words is "twenty-eight million, five hundred ninety-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 256 272 544 1088 2176 4352 6571 13142 26284 52568 105136 111707 210272 223414 420544 446828 841088 893656 1682176 1787312 3574624 7149248 14298496 28596992