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19941936 = 243759351
BaseRepresentation
bin100110000010…
…0101000110000
31101112011012020
41030010220300
520101120221
61551231440
7331334520
oct114045060
941464166
1019941936
1110290743
126818580
134192b81
142911680
151b3dac6
hex1304a30

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".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 59351 118702 178053 237404 356106 415457 474808 712212 830914 949616 1246371 1424424 1661828 2492742 2848848 3323656 4985484 6647312 9970968 19941936