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28417153 = 173277593
BaseRepresentation
bin110110001100…
…1110010000001
31222110202000011
41230121302001
524233322103
62453024521
7463353562
oct154316201
958422004
1028417153
111504a256
129625141
135b6c6ab
143aba169
152764d6d
hex1b19c81

28417153 has 8 divisors (see below), whose sum is σ = 28732968. Its totient is φ = 28103424.

The previous prime is 28417117. The next prime is 28417163. The reversal of 28417153 is 35171482.

It can be written as a sum of positive squares in 4 ways, for example, as 6822544 + 21594609 = 2612^2 + 4647^2 .

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 28417153 - 217 = 28286081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28417163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47625 + ... + 48217.

It is an arithmetic number, because the mean of its divisors is an integer number (3591621).

Almost surely, 228417153 is an apocalyptic number.

It is an amenable number.

28417153 is a deficient number, since it is larger than the sum of its proper divisors (315815).

28417153 is a wasteful number, since it uses less digits than its factorization.

28417153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 6720, while the sum is 31.

The square root of 28417153 is about 5330.7741464069. The cubic root of 28417153 is about 305.1594722788.

The spelling of 28417153 in words is "twenty-eight million, four hundred seventeen thousand, one hundred fifty-three".

Divisors: 1 173 277 593 47921 102589 164261 28417153