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3809242 = 21904621
BaseRepresentation
bin1110100001111111011010
321011112022001
432201333122
51433343432
6213351214
744243443
oct16417732
97145261
103809242
112171a38
12133850a
13a34ab8
147122ca
155039e7
hex3a1fda

3809242 has 4 divisors (see below), whose sum is σ = 5713866. Its totient is φ = 1904620.

The previous prime is 3809189. The next prime is 3809251. The reversal of 3809242 is 2429083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2927521 + 881721 = 1711^2 + 939^2 .

It is a super-2 number, since 2×38092422 = 29020649229128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3809242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952309 + ... + 952312.

Almost surely, 23809242 is an apocalyptic number.

3809242 is a deficient number, since it is larger than the sum of its proper divisors (1904624).

3809242 is a wasteful number, since it uses less digits than its factorization.

3809242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904623.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3809242 is about 1951.7279523540. The cubic root of 3809242 is about 156.1754819068.

The spelling of 3809242 in words is "three million, eight hundred nine thousand, two hundred forty-two".

Divisors: 1 2 1904621 3809242