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3056142 = 231094673
BaseRepresentation
bin1011101010001000001110
312202021020110
423222020032
51240244032
6145300450
734656015
oct13521016
95667213
103056142
1117a8141
121034726
1383008b
14597a7c
154057cc
hex2ea20e

3056142 has 16 divisors (see below), whose sum is σ = 6169680. Its totient is φ = 1009152.

The previous prime is 3056129. The next prime is 3056149. The reversal of 3056142 is 2416503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3056149) 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, 1683 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (385605).

Almost surely, 23056142 is an apocalyptic number.

3056142 is an abundant number, since it is smaller than the sum of its proper divisors (3113538).

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

3056142 is a wasteful number, since it uses less digits than its factorization.

3056142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3056142 is about 1748.1824847538. The cubic root of 3056142 is about 145.1190777681.

It can be divided in two parts, 30561 and 42, that added together give a palindrome (30603).

The spelling of 3056142 in words is "three million, fifty-six thousand, one hundred forty-two".

Divisors: 1 2 3 6 109 218 327 654 4673 9346 14019 28038 509357 1018714 1528071 3056142