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4890427 = 19325339
BaseRepresentation
bin10010101001111100111011
3100012110101221
4102221330323
52222443202
6252452511
756365543
oct22517473
910173357
104890427
112840283
12177a137
131022c59
14914323
15669037
hex4a9f3b

4890427 has 4 divisors (see below), whose sum is σ = 4915960. Its totient is φ = 4864896.

The previous prime is 4890419. The next prime is 4890481. The reversal of 4890427 is 7240984.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4890427 - 23 = 4890419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4890392 and 4890401.

It is not an unprimeable number, because it can be changed into a prime (4890497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12477 + ... + 12862.

It is an arithmetic number, because the mean of its divisors is an integer number (1228990).

Almost surely, 24890427 is an apocalyptic number.

4890427 is a deficient number, since it is larger than the sum of its proper divisors (25533).

4890427 is a wasteful number, since it uses less digits than its factorization.

4890427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25532.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4890427 is about 2211.4309846794. The cubic root of 4890427 is about 169.7392426828.

The spelling of 4890427 in words is "four million, eight hundred ninety thousand, four hundred twenty-seven".

Divisors: 1 193 25339 4890427