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28798752 = 253319677
BaseRepresentation
bin110110111011…
…0111100100000
32000012010110110
41231312330200
524333030002
62505131320
7466533243
oct155667440
960163413
1028798752
111528aa24
129789b40
135c742a8
143b7925a
1527dce6c
hex1b76f20

28798752 has 48 divisors (see below), whose sum is σ = 78043392. Its totient is φ = 9288960.

The previous prime is 28798751. The next prime is 28798793. The reversal of 28798752 is 25789782.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (28798751) 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, 1863 + ... + 7814.

It is an arithmetic number, because the mean of its divisors is an integer number (1625904).

Almost surely, 228798752 is an apocalyptic number.

It is an amenable number.

28798752 is an abundant number, since it is smaller than the sum of its proper divisors (49244640).

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

28798752 is a wasteful number, since it uses less digits than its factorization.

28798752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721 (or 9713 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 28798752 is about 5366.4468692050. The cubic root of 28798752 is about 306.5193453279.

The spelling of 28798752 in words is "twenty-eight million, seven hundred ninety-eight thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 9677 19354 29031 38708 58062 77416 116124 154832 232248 299987 309664 464496 599974 899961 928992 1199948 1799922 2399896 3599844 4799792 7199688 9599584 14399376 28798752