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30303042 = 23711107613
BaseRepresentation
bin111001110011…
…0001101000010
32010000112221220
41303212031002
530224144132
63001255510
7515400030
oct163461502
963015856
1030303042
1116118140
12a194596
13637cbc3
14404b550
1529d8a2c
hex1ce6342

30303042 has 64 divisors (see below), whose sum is σ = 76391424. Its totient is φ = 7784640.

The previous prime is 30303017. The next prime is 30303067. The reversal of 30303042 is 24030303.

It is an interprime number because it is at equal distance from previous prime (30303017) and next prime (30303067).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49128 + ... + 49740.

It is an arithmetic number, because the mean of its divisors is an integer number (1193616).

Almost surely, 230303042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30303042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38195712).

30303042 is an abundant number, since it is smaller than the sum of its proper divisors (46088382).

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

30303042 is a wasteful number, since it uses less digits than its factorization.

30303042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30303042 is about 5504.8198880617. The cubic root of 30303042 is about 311.7659939958.

Adding to 30303042 its reverse (24030303), we get a palindrome (54333345).

The spelling of 30303042 in words is "thirty million, three hundred three thousand, forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 107 154 214 231 321 462 613 642 749 1177 1226 1498 1839 2247 2354 3531 3678 4291 4494 6743 7062 8239 8582 12873 13486 16478 20229 24717 25746 40458 47201 49434 65591 94402 131182 141603 196773 283206 393546 459137 721501 918274 1377411 1443002 2164503 2754822 4329006 5050507 10101014 15151521 30303042