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28342626 = 2313363367
BaseRepresentation
bin110110000011…
…1100101100010
31222022221202220
41230013211202
524223431001
62451251510
7462623364
oct154074542
958287686
1028342626
1114aa9264
1295a9b96
135b447b0
143a9ad34
15274cc36
hex1b07962

28342626 has 16 divisors (see below), whose sum is σ = 61045824. Its totient is φ = 8720784.

The previous prime is 28342619. The next prime is 28342637. The reversal of 28342626 is 62624382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181606 + ... + 181761.

It is an arithmetic number, because the mean of its divisors is an integer number (3815364).

Almost surely, 228342626 is an apocalyptic number.

28342626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28342626 is an abundant number, since it is smaller than the sum of its proper divisors (32703198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28342626 is a wasteful number, since it uses less digits than its factorization.

28342626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363385.

The product of its digits is 27648, while the sum is 33.

The square root of 28342626 is about 5323.7792967027. The cubic root of 28342626 is about 304.8924676912.

It can be divided in two parts, 2834 and 2626, that added together give a triangular number (5460 = T104).

The spelling of 28342626 in words is "twenty-eight million, three hundred forty-two thousand, six hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 363367 726734 1090101 2180202 4723771 9447542 14171313 28342626