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30435042 = 23111273631
BaseRepresentation
bin111010000011…
…0011011100010
32010021021000210
41310012123202
530242410132
63004154550
7516456621
oct164063342
963237023
1030435042
11161a8330
12a238a56
1363c8001
1440836b8
152a12bcc
hex1d066e2

30435042 has 32 divisors (see below), whose sum is σ = 66945024. Its totient is φ = 9147600.

The previous prime is 30435029. The next prime is 30435047. The reversal of 30435042 is 24053403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30435047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6567 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (2092032).

Almost surely, 230435042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30435042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33472512).

30435042 is an abundant number, since it is smaller than the sum of its proper divisors (36509982).

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

30435042 is a wasteful number, since it uses less digits than its factorization.

30435042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30435042 is about 5516.7963529570. The cubic root of 30435042 is about 312.2180223334.

Adding to 30435042 its reverse (24053403), we get a palindrome (54488445).

The spelling of 30435042 in words is "thirty million, four hundred thirty-five thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 127 254 381 762 1397 2794 3631 4191 7262 8382 10893 21786 39941 79882 119823 239646 461137 922274 1383411 2766822 5072507 10145014 15217521 30435042