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28301674 = 214150837
BaseRepresentation
bin110101111110…
…1100101101010
31222020212121011
41223331211222
524221123144
62450334134
7462363112
oct153754552
958225534
1028301674
1114a80515
12958a34a
135b2bc6b
143a8a042
152740a34
hex1afd96a

28301674 has 4 divisors (see below), whose sum is σ = 42452514. Its totient is φ = 14150836.

The previous prime is 28301653. The next prime is 28301677. The reversal of 28301674 is 47610382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 4223025 = 4907^2 + 2055^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28301677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075417 + ... + 7075420.

Almost surely, 228301674 is an apocalyptic number.

28301674 is a deficient number, since it is larger than the sum of its proper divisors (14150840).

28301674 is a wasteful number, since it uses less digits than its factorization.

28301674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14150839.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28301674 is about 5319.9317664797. The cubic root of 28301674 is about 304.7455514670.

The spelling of 28301674 in words is "twenty-eight million, three hundred one thousand, six hundred seventy-four".

Divisors: 1 2 14150837 28301674