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30499359 = 3113724979
BaseRepresentation
bin111010001011…
…0001000011111
32010101112020220
41310112020133
530301434414
63005412423
7520145262
oct164261037
963345226
1030499359
1116241690
12a26a113
13641b377
14409ccd9
152a26ca9
hex1d1621f

30499359 has 16 divisors (see below), whose sum is σ = 45563520. Its totient is φ = 17984160.

The previous prime is 30499307. The next prime is 30499361. The reversal of 30499359 is 95399403.

It is a happy number.

It is not a de Polignac number, because 30499359 - 28 = 30499103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30499359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30499559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11269 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (2847720).

Almost surely, 230499359 is an apocalyptic number.

30499359 is a deficient number, since it is larger than the sum of its proper divisors (15064161).

30499359 is a wasteful number, since it uses less digits than its factorization.

30499359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25030.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 30499359 is about 5522.6224748755. The cubic root of 30499359 is about 312.4377996737.

The spelling of 30499359 in words is "thirty million, four hundred ninety-nine thousand, three hundred fifty-nine".

Divisors: 1 3 11 33 37 111 407 1221 24979 74937 274769 824307 924223 2772669 10166453 30499359