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2470142 = 23139841
BaseRepresentation
bin1001011011000011111110
311122111101202
421123003332
51113021032
6124535502
726665403
oct11330376
94574352
102470142
111437944
129b1592
1368642c
144842aa
1533bd62
hex25b0fe

2470142 has 8 divisors (see below), whose sum is σ = 3824832. Its totient is φ = 1195200.

The previous prime is 2470141. The next prime is 2470159. The reversal of 2470142 is 2410742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×24701422 = 12203203000328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2470141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19859 + ... + 19982.

It is an arithmetic number, because the mean of its divisors is an integer number (478104).

22470142 is an apocalyptic number.

2470142 is a deficient number, since it is larger than the sum of its proper divisors (1354690).

2470142 is a wasteful number, since it uses less digits than its factorization.

2470142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39874.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2470142 is about 1571.6685401191. The cubic root of 2470142 is about 135.1784015426.

Adding to 2470142 its reverse (2410742), we get a palindrome (4880884).

The spelling of 2470142 in words is "two million, four hundred seventy thousand, one hundred forty-two".

Divisors: 1 2 31 62 39841 79682 1235071 2470142