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3874429 = 132943239
BaseRepresentation
bin1110110001111001111101
321021211201101
432301321331
51442440204
6215013101
744634466
oct16617175
97254641
103874429
112206a09
12136a191
13a58680
1472bd6d
15517ea4
hex3b1e7d

3874429 has 16 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 3358656.

The previous prime is 3874417. The next prime is 3874433. The reversal of 3874429 is 9244783.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3874429 - 211 = 3872381 is a prime.

It is a super-2 number, since 2×38744292 = 30022400152082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874439) 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, 16092 + ... + 16330.

It is an arithmetic number, because the mean of its divisors is an integer number (277200).

Almost surely, 23874429 is an apocalyptic number.

It is an amenable number.

3874429 is a deficient number, since it is larger than the sum of its proper divisors (560771).

3874429 is a wasteful number, since it uses less digits than its factorization.

3874429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its digits is 48384, while the sum is 37.

The square root of 3874429 is about 1968.3569290147. The cubic root of 3874429 is about 157.0613172799.

The spelling of 3874429 in words is "three million, eight hundred seventy-four thousand, four hundred twenty-nine".

Divisors: 1 13 29 43 239 377 559 1247 3107 6931 10277 16211 90103 133601 298033 3874429