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4878723 = 34993259
BaseRepresentation
bin10010100111000110000011
3100011212100110
4102213012003
52222104343
6252322403
756316453
oct22470603
910155313
104878723
112832503
121773403
13101a825
1490dd63
15665833
hex4a7183

4878723 has 8 divisors (see below), whose sum is σ = 6520000. Its totient is φ = 3244968.

The previous prime is 4878721. The next prime is 4878767. The reversal of 4878723 is 3278784.

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

It is not a de Polignac number, because 4878723 - 21 = 4878721 is a prime.

It is a super-2 number, since 2×48787232 = 47603876221458, which contains 22 as substring.

It is a Duffinian number.

4878723 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4878721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (815000).

Almost surely, 24878723 is an apocalyptic number.

4878723 is a deficient number, since it is larger than the sum of its proper divisors (1641277).

4878723 is a wasteful number, since it uses less digits than its factorization.

4878723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761.

The product of its digits is 75264, while the sum is 39.

The square root of 4878723 is about 2208.7831491570. The cubic root of 4878723 is about 169.6037252022.

The spelling of 4878723 in words is "four million, eight hundred seventy-eight thousand, seven hundred twenty-three".

Divisors: 1 3 499 1497 3259 9777 1626241 4878723