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30090063 = 317357977
BaseRepresentation
bin111001011001…
…0001101001111
32002121201210210
41302302031033
530200340223
62552533503
7513522063
oct162621517
962551723
1030090063
1115a92123
12a0b1293
136306c93
143dd3aa3
152995893
hex1cb234f

30090063 has 8 divisors (see below), whose sum is σ = 40352688. Its totient is φ = 19943744.

The previous prime is 30090041. The next prime is 30090083. The reversal of 30090063 is 36009003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30090063 - 25 = 30090031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30090083) 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, 28470 + ... + 29507.

It is an arithmetic number, because the mean of its divisors is an integer number (5044086).

Almost surely, 230090063 is an apocalyptic number.

30090063 is a deficient number, since it is larger than the sum of its proper divisors (10262625).

30090063 is a wasteful number, since it uses less digits than its factorization.

30090063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58153.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30090063 is about 5485.4410032376. The cubic root of 30090063 is about 311.0338807118.

Adding to 30090063 its reverse (36009003), we get a palindrome (66099066).

The spelling of 30090063 in words is "thirty million, ninety thousand, sixty-three".

Divisors: 1 3 173 519 57977 173931 10030021 30090063