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4782142 = 22391071
BaseRepresentation
bin10010001111100000111110
322222221212101
4102033200332
52211012032
6250255314
755435051
oct22174076
98887771
104782142
112776992
12172753a
13cb5891
148c6a98
15646de7
hex48f83e

4782142 has 4 divisors (see below), whose sum is σ = 7173216. Its totient is φ = 2391070.

The previous prime is 4782133. The next prime is 4782143. The reversal of 4782142 is 2412874.

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

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4782142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195534 + ... + 1195537.

It is an arithmetic number, because the mean of its divisors is an integer number (1793304).

Almost surely, 24782142 is an apocalyptic number.

4782142 is a deficient number, since it is larger than the sum of its proper divisors (2391074).

4782142 is a wasteful number, since it uses less digits than its factorization.

4782142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391073.

The product of its digits is 3584, while the sum is 28.

The square root of 4782142 is about 2186.8109200386. The cubic root of 4782142 is about 168.4770783626.

The spelling of 4782142 in words is "four million, seven hundred eighty-two thousand, one hundred forty-two".

Divisors: 1 2 2391071 4782142