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28034964 = 2233259583
BaseRepresentation
bin110101011110…
…0011110010100
31221202022202000
41222330132110
524134104324
62440515300
7460202406
oct152743624
957668660
1028034964
11149090a1
12947bb30
135a67749
143a1ab76
1526db9c9
hex1abc794

28034964 has 24 divisors (see below), whose sum is σ = 72683520. Its totient is φ = 9344952.

The previous prime is 28034959. The next prime is 28034969. The reversal of 28034964 is 46943082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28034959) and next prime (28034969).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28034969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129684 + ... + 129899.

It is an arithmetic number, because the mean of its divisors is an integer number (3028480).

Almost surely, 228034964 is an apocalyptic number.

It is an amenable number.

28034964 is an abundant number, since it is smaller than the sum of its proper divisors (44648556).

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

28034964 is a wasteful number, since it uses less digits than its factorization.

28034964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259596 (or 259588 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 28034964 is about 5294.8053788595. The cubic root of 28034964 is about 303.7852390148.

The spelling of 28034964 in words is "twenty-eight million, thirty-four thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 259583 519166 778749 1038332 1557498 2336247 3114996 4672494 7008741 9344988 14017482 28034964