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28952103 = 338924809
BaseRepresentation
bin110111001110…
…0011000100111
32000110220211010
41232130120213
524402431403
62512313303
7501042315
oct156343047
960426733
1028952103
1115385164
129842833
135cc902b
143bb90b5
15281d603
hex1b9c627

28952103 has 8 divisors (see below), whose sum is σ = 38703600. Its totient is φ = 19251008.

The previous prime is 28952087. The next prime is 28952111. The reversal of 28952103 is 30125982.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28952103 - 24 = 28952087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28952113) 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, 11238 + ... + 13571.

It is an arithmetic number, because the mean of its divisors is an integer number (4837950).

Almost surely, 228952103 is an apocalyptic number.

28952103 is a deficient number, since it is larger than the sum of its proper divisors (9751497).

28952103 is a wasteful number, since it uses less digits than its factorization.

28952103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25201.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 28952103 is about 5380.7158445694. The cubic root of 28952103 is about 307.0624459617.

The spelling of 28952103 in words is "twenty-eight million, nine hundred fifty-two thousand, one hundred three".

Divisors: 1 3 389 1167 24809 74427 9650701 28952103