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28946324 = 22112512621
BaseRepresentation
bin110111001101…
…0111110010100
32000110121220002
41232122332110
524402240244
62512230432
7501016421
oct156327624
960417802
1028946324
1115380890
12983b418
135cc6504
143bb6d48
15281ba4e
hex1b9af94

28946324 has 24 divisors (see below), whose sum is σ = 55502496. Its totient is φ = 13100000.

The previous prime is 28946303. The next prime is 28946327. The reversal of 28946324 is 42364982.

It is a happy number.

It is a super-2 number, since 2×289463242 = 1675779346225952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28946327) 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, 9734 + ... + 12354.

It is an arithmetic number, because the mean of its divisors is an integer number (2312604).

Almost surely, 228946324 is an apocalyptic number.

It is an amenable number.

28946324 is a deficient number, since it is larger than the sum of its proper divisors (26556172).

28946324 is a wasteful number, since it uses less digits than its factorization.

28946324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887 (or 2885 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 28946324 is about 5380.1788074375. The cubic root of 28946324 is about 307.0420141476.

The spelling of 28946324 in words is "twenty-eight million, nine hundred forty-six thousand, three hundred twenty-four".

Divisors: 1 2 4 11 22 44 251 502 1004 2621 2761 5242 5522 10484 11044 28831 57662 115324 657871 1315742 2631484 7236581 14473162 28946324