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3142242 = 232174569
BaseRepresentation
bin1011111111001001100010
312220122100100
423333021202
51301022432
6151203230
735465025
oct13771142
95818310
103142242
1118568a4
121076516
1386031c
145bb1bc
1542107c
hex2ff262

3142242 has 12 divisors (see below), whose sum is σ = 6808230. Its totient is φ = 1047408.

The previous prime is 3142231. The next prime is 3142259. The reversal of 3142242 is 2422413.

Adding to 3142242 its reverse (2422413), we get a palindrome (5564655).

It can be divided in two parts, 314 and 2242, that added together give a triangular number (2556 = T71).

It can be written as a sum of positive squares in only one way, i.e., 2653641 + 488601 = 1629^2 + 699^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 174569 = 3142242 / (3 + 1 + 4 + 2 + 2 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87267 + ... + 87302.

Almost surely, 23142242 is an apocalyptic number.

3142242 is an abundant number, since it is smaller than the sum of its proper divisors (3665988).

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

3142242 is a wasteful number, since it uses less digits than its factorization.

3142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174577 (or 174574 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 3142242 is about 1772.6370186815. The cubic root of 3142242 is about 146.4692787760.

The spelling of 3142242 in words is "three million, one hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 174569 349138 523707 1047414 1571121 3142242