Base | Representation |
---|---|
bin | 100110000010… |
… | …0101000110000 |
3 | 1101112011012020 |
4 | 1030010220300 |
5 | 20101120221 |
6 | 1551231440 |
7 | 331334520 |
oct | 114045060 |
9 | 41464166 |
10 | 19941936 |
11 | 10290743 |
12 | 6818580 |
13 | 4192b81 |
14 | 2911680 |
15 | 1b3dac6 |
hex | 1304a30 |
19941936 has 40 divisors (see below), whose sum is σ = 58877184. Its totient is φ = 5697600.
The previous prime is 19941931. The next prime is 19941953. The reversal of 19941936 is 63914991.
It is a super-2 number, since 2×199419362 = 795361622856192, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (19941931) 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, 29340 + ... + 30011.
Almost surely, 219941936 is an apocalyptic number.
19941936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
19941936 is an abundant number, since it is smaller than the sum of its proper divisors (38935248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19941936 is a wasteful number, since it uses less digits than its factorization.
19941936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59369 (or 59363 counting only the distinct ones).
The product of its digits is 52488, while the sum is 42.
The square root of 19941936 is about 4465.6394838813. The cubic root of 19941936 is about 271.1788238005.
The spelling of 19941936 in words is "nineteen million, nine hundred forty-one thousand, nine hundred thirty-six".
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