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11901828 = 2231952201
BaseRepresentation
bin101101011001…
…101110000100
3211101200020110
4231121232010
511021324303
61103033020
7203110131
oct55315604
924350213
1011901828
11679a024
123b9b770
132609403
14181b588
1510a1703
hexb59b84

11901828 has 24 divisors (see below), whose sum is σ = 29233120. Its totient is φ = 3758400.

The previous prime is 11901821. The next prime is 11901899. The reversal of 11901828 is 82810911.

11901828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11901795 and 11901804.

It is not an unprimeable number, because it can be changed into a prime (11901821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25873 + ... + 26328.

Almost surely, 211901828 is an apocalyptic number.

It is an amenable number.

11901828 is an abundant number, since it is smaller than the sum of its proper divisors (17331292).

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

11901828 is a wasteful number, since it uses less digits than its factorization.

11901828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52227 (or 52225 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 11901828 is about 3449.9026073210. The cubic root of 11901828 is about 228.3168110421.

The spelling of 11901828 in words is "eleven million, nine hundred one thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 52201 104402 156603 208804 313206 626412 991819 1983638 2975457 3967276 5950914 11901828