Search a number
-
+
19106612 = 2271315209
BaseRepresentation
bin100100011100…
…0101100110100
31022221201100022
41020320230310
514342402422
61521304312
7321255260
oct110705464
938851308
1019106612
11a870098
126495098
133c5c8b5
1427750a0
151a26342
hex1238b34

19106612 has 24 divisors (see below), whose sum is σ = 38512320. Its totient is φ = 8124480.

The previous prime is 19106611. The next prime is 19106627. The reversal of 19106612 is 21660191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19106611) 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 7 ways as a sum of consecutive naturals, for example, 1064 + ... + 6272.

It is an arithmetic number, because the mean of its divisors is an integer number (1604680).

Almost surely, 219106612 is an apocalyptic number.

It is an amenable number.

19106612 is an abundant number, since it is smaller than the sum of its proper divisors (19405708).

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

19106612 is a wasteful number, since it uses less digits than its factorization.

19106612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351 (or 5349 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 19106612 is about 4371.1110715698. Note that the first 3 decimals coincide. The cubic root of 19106612 is about 267.3383283720.

The spelling of 19106612 in words is "nineteen million, one hundred six thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 131 262 524 917 1834 3668 5209 10418 20836 36463 72926 145852 682379 1364758 2729516 4776653 9553306 19106612