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30270694 = 2311313727
BaseRepresentation
bin111001101111…
…0010011100110
32002221220120211
41303132103212
530222130234
63000450034
7515203516
oct163362346
962856524
1030270694
11160a5903
12a17991a
13636b26c
14403d846
1529ce164
hex1cde4e6

30270694 has 16 divisors (see below), whose sum is σ = 47241216. Its totient is φ = 14531400.

The previous prime is 30270671. The next prime is 30270697. The reversal of 30270694 is 49607203.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30270697) 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, 6259 + ... + 9985.

It is an arithmetic number, because the mean of its divisors is an integer number (2952576).

Almost surely, 230270694 is an apocalyptic number.

30270694 is a deficient number, since it is larger than the sum of its proper divisors (16970522).

30270694 is a wasteful number, since it uses less digits than its factorization.

30270694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 30270694 is about 5501.8809510930. The cubic root of 30270694 is about 311.6550194713.

Adding to 30270694 its reverse (49607203), we get a palindrome (79877897).

The spelling of 30270694 in words is "thirty million, two hundred seventy thousand, six hundred ninety-four".

Divisors: 1 2 31 62 131 262 3727 4061 7454 8122 115537 231074 488237 976474 15135347 30270694