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10899049 = 71557007
BaseRepresentation
bin101001100100…
…111001101001
3202111201200111
4221210321221
510242232144
61025334321
7161432440
oct51447151
922451614
1010899049
116174687
1237973a1
132347b55
141639d57
15e54534
hexa64e69

10899049 has 4 divisors (see below), whose sum is σ = 12456064. Its totient is φ = 9342036.

The previous prime is 10899047. The next prime is 10899059. The reversal of 10899049 is 94099801.

10899049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 10899049 - 21 = 10899047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10899047) 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, 778497 + ... + 778510.

It is an arithmetic number, because the mean of its divisors is an integer number (3114016).

Almost surely, 210899049 is an apocalyptic number.

It is an amenable number.

10899049 is a deficient number, since it is larger than the sum of its proper divisors (1557015).

10899049 is an equidigital number, since it uses as much as digits as its factorization.

10899049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557014.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 10899049 is about 3301.3707759051. The cubic root of 10899049 is about 221.7155746631.

The spelling of 10899049 in words is "ten million, eight hundred ninety-nine thousand, forty-nine".

Divisors: 1 7 1557007 10899049