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15214934 = 2719471217
BaseRepresentation
bin111010000010…
…100101010110
31001121222222002
4322002211112
512343334214
61302035302
7243216260
oct72024526
931558862
1015214934
118652229
125118b32
1331c9427
142040b30
1515081de
hexe82956

15214934 has 32 divisors (see below), whose sum is σ = 28062720. Its totient is φ = 6041088.

The previous prime is 15214933. The next prime is 15214939. The reversal of 15214934 is 43941251.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15214897 and 15214906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15214931) 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 15 ways as a sum of consecutive naturals, for example, 11894 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (876960).

Almost surely, 215214934 is an apocalyptic number.

15214934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15214934 is a deficient number, since it is larger than the sum of its proper divisors (12847786).

15214934 is a wasteful number, since it uses less digits than its factorization.

15214934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292.

The product of its digits is 4320, while the sum is 29.

The square root of 15214934 is about 3900.6325128112. The cubic root of 15214934 is about 247.7935652044.

The spelling of 15214934 in words is "fifteen million, two hundred fourteen thousand, nine hundred thirty-four".

Divisors: 1 2 7 14 19 38 47 94 133 266 329 658 893 1217 1786 2434 6251 8519 12502 17038 23123 46246 57199 114398 161861 323722 400393 800786 1086781 2173562 7607467 15214934