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30733049 = 52358763
BaseRepresentation
bin111010100111…
…1001011111001
32010211101211002
41311033023321
530331424144
63014414345
7522140504
oct165171371
963741732
1030733049
1116391216
12a3613b5
1364a0849
14412013b
152a7114e
hex1d4f2f9

30733049 has 4 divisors (see below), whose sum is σ = 30792336. Its totient is φ = 30673764.

The previous prime is 30733033. The next prime is 30733061. The reversal of 30733049 is 94033703.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94033703 = 541717359.

It is a cyclic number.

It is not a de Polignac number, because 30733049 - 24 = 30733033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30733009) 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, 28859 + ... + 29904.

It is an arithmetic number, because the mean of its divisors is an integer number (7698084).

Almost surely, 230733049 is an apocalyptic number.

It is an amenable number.

30733049 is a deficient number, since it is larger than the sum of its proper divisors (59287).

30733049 is an equidigital number, since it uses as much as digits as its factorization.

30733049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59286.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 30733049 is about 5543.7396223127. The cubic root of 30733049 is about 313.2337497279.

The spelling of 30733049 in words is "thirty million, seven hundred thirty-three thousand, forty-nine".

Divisors: 1 523 58763 30733049