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3839872 = 27131229
BaseRepresentation
bin1110101001011110000000
321020002022111
432221132000
51440333442
6214145104
744431651
oct16513600
97202274
103839872
112192a53
121352194
13a45a1a
1471d528
1550cb17
hex3a9780

3839872 has 32 divisors (see below), whose sum is σ = 7741800. Its totient is φ = 1896960.

The previous prime is 3839851. The next prime is 3839911. The reversal of 3839872 is 2789383.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16654 + ... + 16882.

Almost surely, 23839872 is an apocalyptic number.

3839872 is a gapful number since it is divisible by the number (32) 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 3839872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3870900).

3839872 is an abundant number, since it is smaller than the sum of its proper divisors (3901928).

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

3839872 is a wasteful number, since it uses less digits than its factorization.

3839872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 362 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 3839872 is about 1959.5591340911. The cubic root of 3839872 is about 156.5929656862.

The spelling of 3839872 in words is "three million, eight hundred thirty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 131 229 262 458 524 916 1048 1832 2096 3664 4192 7328 8384 14656 16768 29312 29999 59998 119996 239992 479984 959968 1919936 3839872