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30514242 = 2311462337
BaseRepresentation
bin111010001100…
…1110001000010
32010102021200010
41310121301002
530302423432
63010005350
7520236543
oct164316102
963367603
1030514242
1116251890
12a276856
136425085
1440a44ca
152a2b3cc
hex1d19c42

30514242 has 16 divisors (see below), whose sum is σ = 66576672. Its totient is φ = 9246720.

The previous prime is 30514241. The next prime is 30514249. The reversal of 30514242 is 24241503.

It is a super-2 number, since 2×305142422 = 1862237929669128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30514241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231103 + ... + 231234.

It is an arithmetic number, because the mean of its divisors is an integer number (4161042).

Almost surely, 230514242 is an apocalyptic number.

30514242 is an abundant number, since it is smaller than the sum of its proper divisors (36062430).

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

30514242 is a wasteful number, since it uses less digits than its factorization.

30514242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462353.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30514242 is about 5523.9697682011. The cubic root of 30514242 is about 312.4886122784.

Adding to 30514242 its reverse (24241503), we get a palindrome (54755745).

The spelling of 30514242 in words is "thirty million, five hundred fourteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 462337 924674 1387011 2774022 5085707 10171414 15257121 30514242