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4978528 = 25155579
BaseRepresentation
bin10010111111011101100000
3100100221020221
4102333131200
52233303103
6254412424
760213442
oct22773540
910327227
104978528
1128a0495
121801114
131054099
14938492
156851bd
hex4bf760

4978528 has 12 divisors (see below), whose sum is σ = 9801540. Its totient is φ = 2489248.

The previous prime is 4978487. The next prime is 4978543. The reversal of 4978528 is 8258794.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 77758 + ... + 77821.

It is an arithmetic number, because the mean of its divisors is an integer number (816795).

Almost surely, 24978528 is an apocalyptic number.

It is an amenable number.

4978528 is a deficient number, since it is larger than the sum of its proper divisors (4823012).

4978528 is a wasteful number, since it uses less digits than its factorization.

4978528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155589 (or 155581 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 4978528 is about 2231.2615265809. The cubic root of 4978528 is about 170.7524660818.

It can be divided in two parts, 497 and 8528, that multiplied together give a triangular number (4238416 = T2911).

The spelling of 4978528 in words is "four million, nine hundred seventy-eight thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 32 155579 311158 622316 1244632 2489264 4978528