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4780497 = 31593499
BaseRepresentation
bin10010001111000111010001
322222212121110
4102033013101
52210433442
6250243533
755430211
oct22170721
98885543
104780497
112775727
1217265a9
13cb4bc7
148c6241
1564669c
hex48f1d1

4780497 has 4 divisors (see below), whose sum is σ = 6374000. Its totient is φ = 3186996.

The previous prime is 4780487. The next prime is 4780499. The reversal of 4780497 is 7940874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4780497 - 28 = 4780241 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4780499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796747 + ... + 796752.

It is an arithmetic number, because the mean of its divisors is an integer number (1593500).

Almost surely, 24780497 is an apocalyptic number.

It is an amenable number.

4780497 is a deficient number, since it is larger than the sum of its proper divisors (1593503).

4780497 is a wasteful number, since it uses less digits than its factorization.

4780497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593502.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 4780497 is about 2186.4347692076. The cubic root of 4780497 is about 168.4577581097.

The spelling of 4780497 in words is "four million, seven hundred eighty thousand, four hundred ninety-seven".

Divisors: 1 3 1593499 4780497