[go: up one dir, main page]

Search a number
-
+
11728692 = 2233131829
BaseRepresentation
bin101100101111…
…011100110100
3211001212202000
4230233130310
511000304232
61055215300
7201456303
oct54573464
924055660
1011728692
116690a38
123b17530
132578671
1417b443a
15106a27c
hexb2f734

11728692 has 48 divisors (see below), whose sum is σ = 30676800. Its totient is φ = 3875040.

The previous prime is 11728663. The next prime is 11728697. The reversal of 11728692 is 29682711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13734 + ... + 14562.

It is an arithmetic number, because the mean of its divisors is an integer number (639100).

Almost surely, 211728692 is an apocalyptic number.

11728692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11728692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15338400).

11728692 is an abundant number, since it is smaller than the sum of its proper divisors (18948108).

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

11728692 is a wasteful number, since it uses less digits than its factorization.

11728692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 11728692 is about 3424.7177985930. The cubic root of 11728692 is about 227.2042899491.

The spelling of 11728692 in words is "eleven million, seven hundred twenty-eight thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 131 262 393 524 786 829 1179 1572 1658 2358 2487 3316 3537 4716 4974 7074 7461 9948 14148 14922 22383 29844 44766 89532 108599 217198 325797 434396 651594 977391 1303188 1954782 2932173 3909564 5864346 11728692