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30094745 = 56018949
BaseRepresentation
bin111001011001…
…1010110011001
32002121222020012
41302303112121
530201012440
62553011305
7513541532
oct162632631
962558205
1030094745
1115a9569a
12a0b3b35
136309155
143dd5689
152996e65
hex1cb3599

30094745 has 4 divisors (see below), whose sum is σ = 36113700. Its totient is φ = 24075792.

The previous prime is 30094723. The next prime is 30094747. The reversal of 30094745 is 54749003.

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 19545241 + 10549504 = 4421^2 + 3248^2 .

It is a cyclic number.

It is not a de Polignac number, because 30094745 - 220 = 29046169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30094747) 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, 3009470 + ... + 3009479.

It is an arithmetic number, because the mean of its divisors is an integer number (9028425).

Almost surely, 230094745 is an apocalyptic number.

It is an amenable number.

30094745 is a deficient number, since it is larger than the sum of its proper divisors (6018955).

30094745 is an equidigital number, since it uses as much as digits as its factorization.

30094745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018954.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 30094745 is about 5485.8677526896. The cubic root of 30094745 is about 311.0500121182.

The spelling of 30094745 in words is "thirty million, ninety-four thousand, seven hundred forty-five".

Divisors: 1 5 6018949 30094745