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30535130 = 254217253
BaseRepresentation
bin111010001111…
…0110111011010
32010110100022202
41310132313122
530304111010
63010250202
7520354463
oct164366732
963410282
1030535130
111626654a
12a286962
136431732
1440abd6a
152a326a5
hex1d1edda

30535130 has 16 divisors (see below), whose sum is σ = 55101384. Its totient is φ = 12183360.

The previous prime is 30535129. The next prime is 30535133. The reversal of 30535130 is 3153503.

It can be written as a sum of positive squares in 4 ways, for example, as 17783089 + 12752041 = 4217^2 + 3571^2 .

It is not an unprimeable number, because it can be changed into a prime (30535133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584 + ... + 7836.

Almost surely, 230535130 is an apocalyptic number.

30535130 is a deficient number, since it is larger than the sum of its proper divisors (24566254).

30535130 is a wasteful number, since it uses less digits than its factorization.

30535130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 30535130 is about 5525.8601140456. The cubic root of 30535130 is about 312.5598989180.

Adding to 30535130 its reverse (3153503), we get a palindrome (33688633).

The spelling of 30535130 in words is "thirty million, five hundred thirty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 421 842 2105 4210 7253 14506 36265 72530 3053513 6107026 15267565 30535130