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30070494 = 233556861
BaseRepresentation
bin111001010110…
…1011011011110
32002120201222000
41302231123132
530144223434
62552303130
7513411036
oct162553336
962521860
1030070494
1115a79453
12a0a1aa6
1362cb0bc
143dca8c6
15298eb99
hex1cad6de

30070494 has 16 divisors (see below), whose sum is σ = 66823440. Its totient is φ = 10023480.

The previous prime is 30070489. The next prime is 30070549. The reversal of 30070494 is 49407003.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278377 + ... + 278484.

It is an arithmetic number, because the mean of its divisors is an integer number (4176465).

Almost surely, 230070494 is an apocalyptic number.

30070494 is an abundant number, since it is smaller than the sum of its proper divisors (36752946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30070494 is a wasteful number, since it uses less digits than its factorization.

30070494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556872 (or 556866 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30070494 is about 5483.6569914611. The cubic root of 30070494 is about 310.9664393778.

Adding to 30070494 its reverse (49407003), we get a palindrome (79477497).

The spelling of 30070494 in words is "thirty million, seventy thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 556861 1113722 1670583 3341166 5011749 10023498 15035247 30070494