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30220294 = 2132714289
BaseRepresentation
bin111001101001…
…0000000000110
32002212100110011
41303102000012
530214022134
62555420434
7514603546
oct163220006
962770404
1030220294
1116070a55
12a15471a
136351340
144029326
1529be264
hex1cd2006

30220294 has 16 divisors (see below), whose sum is σ = 49008960. Its totient is φ = 13893120.

The previous prime is 30220277. The next prime is 30220327. The reversal of 30220294 is 49202203.

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, 4902 + ... + 9190.

It is an arithmetic number, because the mean of its divisors is an integer number (3063060).

Almost surely, 230220294 is an apocalyptic number.

30220294 is a deficient number, since it is larger than the sum of its proper divisors (18788666).

30220294 is a wasteful number, since it uses less digits than its factorization.

30220294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30220294 is about 5497.2987912247. The cubic root of 30220294 is about 311.4819572729.

Adding to 30220294 its reverse (49202203), we get a palindrome (79422497).

The spelling of 30220294 in words is "thirty million, two hundred twenty thousand, two hundred ninety-four".

Divisors: 1 2 13 26 271 542 3523 4289 7046 8578 55757 111514 1162319 2324638 15110147 30220294