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30301442 = 223976791
BaseRepresentation
bin111001110010…
…1110100000010
32010000110202122
41303211310002
530224121232
63001244242
7515362253
oct163456402
963013678
1030301442
1116116a16
12a193682
13637c262
14404ab2a
1529d8312
hex1ce5d02

30301442 has 16 divisors (see below), whose sum is σ = 47924352. Its totient is φ = 14340480.

The previous prime is 30301423. The next prime is 30301457. The reversal of 30301442 is 24410303.

It is a self number, because there is not a number n which added to its sum of digits gives 30301442.

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, 1067 + ... + 7857.

It is an arithmetic number, because the mean of its divisors is an integer number (2995272).

Almost surely, 230301442 is an apocalyptic number.

30301442 is a deficient number, since it is larger than the sum of its proper divisors (17622910).

30301442 is a wasteful number, since it uses less digits than its factorization.

30301442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30301442 is about 5504.6745589544. The cubic root of 30301442 is about 311.7605068198.

Adding to 30301442 its reverse (24410303), we get a palindrome (54711745).

The spelling of 30301442 in words is "thirty million, three hundred one thousand, four hundred forty-two".

Divisors: 1 2 23 46 97 194 2231 4462 6791 13582 156193 312386 658727 1317454 15150721 30301442