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30240526 = 29721607
BaseRepresentation
bin111001101011…
…0111100001110
32002220101012111
41303112330032
530220144101
63000054234
7515016541
oct163267416
962811174
1030240526
1116085178
12a16437a
13635a604
144032858
1529c5251
hex1cd6f0e

30240526 has 12 divisors (see below), whose sum is σ = 45861768. Its totient is φ = 14955072.

The previous prime is 30240523. The next prime is 30240547. The reversal of 30240526 is 62504203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30240497 and 30240506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18015 + ... + 19621.

It is an arithmetic number, because the mean of its divisors is an integer number (3821814).

Almost surely, 230240526 is an apocalyptic number.

30240526 is a deficient number, since it is larger than the sum of its proper divisors (15621242).

30240526 is an equidigital number, since it uses as much as digits as its factorization.

30240526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30240526 is about 5499.1386598266. The cubic root of 30240526 is about 311.5514524841.

Adding to 30240526 its reverse (62504203), we get a palindrome (92744729).

The spelling of 30240526 in words is "thirty million, two hundred forty thousand, five hundred twenty-six".

Divisors: 1 2 97 194 1607 3214 9409 18818 155879 311758 15120263 30240526