Search a number
-
+
11901612 = 22367113131
BaseRepresentation
bin101101011001…
…101010101100
3211101122221110
4231121222230
511021322422
61103032020
7203106402
oct55315254
924348843
1011901612
116799948
123b9b610
132609298
14181b472
1510a160c
hexb59aac

11901612 has 48 divisors (see below), whose sum is σ = 28651392. Its totient is φ = 3843840.

The previous prime is 11901611. The next prime is 11901623. The reversal of 11901612 is 21610911.

It is not an unprimeable number, because it can be changed into a prime (11901611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90787 + ... + 90917.

It is an arithmetic number, because the mean of its divisors is an integer number (596904).

Almost surely, 211901612 is an apocalyptic number.

11901612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11901612 is an abundant number, since it is smaller than the sum of its proper divisors (16749780).

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

11901612 is a wasteful number, since it uses less digits than its factorization.

11901612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 11901612 is about 3449.8713019474. The cubic root of 11901612 is about 228.3154298333.

The spelling of 11901612 in words is "eleven million, nine hundred one thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 67 113 131 134 201 226 262 268 339 393 402 452 524 678 786 804 1356 1572 7571 8777 14803 15142 17554 22713 26331 29606 30284 35108 44409 45426 52662 59212 88818 90852 105324 177636 991801 1983602 2975403 3967204 5950806 11901612