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3057742 = 21528871
BaseRepresentation
bin1011101010100001001110
312202100102201
423222201032
51240321432
6145312114
734663462
oct13524116
95670381
103057742
1117a9366
12103563a
13830a1c
145984a2
15405ee7
hex2ea84e

3057742 has 4 divisors (see below), whose sum is σ = 4586616. Its totient is φ = 1528870.

The previous prime is 3057721. The next prime is 3057763. The reversal of 3057742 is 2477503.

3057742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2477503 = 7353929.

It is an interprime number because it is at equal distance from previous prime (3057721) and next prime (3057763).

It is a super-2 number, since 2×30577422 = 18699572277128, 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 3057742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764434 + ... + 764437.

It is an arithmetic number, because the mean of its divisors is an integer number (1146654).

Almost surely, 23057742 is an apocalyptic number.

3057742 is a deficient number, since it is larger than the sum of its proper divisors (1528874).

3057742 is a wasteful number, since it uses less digits than its factorization.

3057742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528873.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 3057742 is about 1748.6400430048. The cubic root of 3057742 is about 145.1443983647.

The spelling of 3057742 in words is "three million, fifty-seven thousand, seven hundred forty-two".

Divisors: 1 2 1528871 3057742