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28470341 = 191498439
BaseRepresentation
bin110110010011…
…0110001000101
31222120102222002
41230212301011
524242022331
62454115045
7463664624
oct154466105
958512862
1028470341
1115086209
12964ba85
135b8a973
143ad16bb
1527759cb
hex1b26c45

28470341 has 4 divisors (see below), whose sum is σ = 29968800. Its totient is φ = 26971884.

The previous prime is 28470331. The next prime is 28470349. The reversal of 28470341 is 14307482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28470341 - 218 = 28208197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28470349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749201 + ... + 749238.

It is an arithmetic number, because the mean of its divisors is an integer number (7492200).

Almost surely, 228470341 is an apocalyptic number.

It is an amenable number.

28470341 is a deficient number, since it is larger than the sum of its proper divisors (1498459).

28470341 is a wasteful number, since it uses less digits than its factorization.

28470341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498458.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 28470341 is about 5335.7605830847. The cubic root of 28470341 is about 305.3497412359.

The spelling of 28470341 in words is "twenty-eight million, four hundred seventy thousand, three hundred forty-one".

Divisors: 1 19 1498439 28470341