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28467152 = 247433587
BaseRepresentation
bin110110010010…
…1111111010000
31222120021120222
41230211333100
524241422102
62454052212
7463652420
oct154457720
958507528
1028467152
111508387a
12964a068
135b8938c
143ad0480
152774aa2
hex1b25fd0

28467152 has 40 divisors (see below), whose sum is σ = 63287616. Its totient is φ = 12151296.

The previous prime is 28467151. The next prime is 28467157. The reversal of 28467152 is 25176482.

It is a super-2 number, since 2×284671522 = 1620757485982208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28467151) 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, 48203 + ... + 48789.

Almost surely, 228467152 is an apocalyptic number.

It is an amenable number.

28467152 is an abundant number, since it is smaller than the sum of its proper divisors (34820464).

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

28467152 is a wasteful number, since it uses less digits than its factorization.

28467152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1029 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 28467152 is about 5335.4617419676. The cubic root of 28467152 is about 305.3383399360.

The spelling of 28467152 in words is "twenty-eight million, four hundred sixty-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 433 587 866 1174 1732 2348 3031 3464 4109 4696 6062 6928 8218 9392 12124 16436 24248 32872 48496 65744 254171 508342 1016684 1779197 2033368 3558394 4066736 7116788 14233576 28467152