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28470674 = 258724251
BaseRepresentation
bin110110010011…
…0110110010010
31222120110102102
41230212312102
524242030144
62454120402
7463665611
oct154466622
958513372
1028470674
1115086491
129650102
135b8ab6b
143ad1878
152775b4e
hex1b26d92

28470674 has 8 divisors (see below), whose sum is σ = 42780528. Its totient is φ = 14210500.

The previous prime is 28470653. The next prime is 28470697. The reversal of 28470674 is 47607482.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10952 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (5347566).

Almost surely, 228470674 is an apocalyptic number.

28470674 is a deficient number, since it is larger than the sum of its proper divisors (14309854).

28470674 is a wasteful number, since it uses less digits than its factorization.

28470674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24840.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 28470674 is about 5335.7917875419. The cubic root of 28470674 is about 305.3509317270.

The spelling of 28470674 in words is "twenty-eight million, four hundred seventy thousand, six hundred seventy-four".

Divisors: 1 2 587 1174 24251 48502 14235337 28470674