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4989601 = 27718013
BaseRepresentation
bin10011000010001010100001
3100101111110001
4103002022201
52234131401
6254540001
760260641
oct23021241
910344401
104989601
1128a8841
121807601
131059136
1493c521
15688601
hex4c22a1

4989601 has 4 divisors (see below), whose sum is σ = 5007892. Its totient is φ = 4971312.

The previous prime is 4989599. The next prime is 4989613. The reversal of 4989601 is 1069894.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2890000 + 2099601 = 1700^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 4989601 - 21 = 4989599 is a prime.

It is a super-2 number, since 2×49896012 = 49792236278402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989641) 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, 8730 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (1251973).

Almost surely, 24989601 is an apocalyptic number.

It is an amenable number.

4989601 is a deficient number, since it is larger than the sum of its proper divisors (18291).

4989601 is a wasteful number, since it uses less digits than its factorization.

4989601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4989601 is about 2233.7414801181. The cubic root of 4989601 is about 170.8789654555.

The spelling of 4989601 in words is "four million, nine hundred eighty-nine thousand, six hundred one".

Divisors: 1 277 18013 4989601