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30836090 = 2513123539
BaseRepresentation
bin111010110100…
…0010101111010
32011000122011102
41311220111322
530343223330
63020531402
7523050065
oct165502572
964018142
1030836090
111645167a
12a3b0b62
13650870c
1441498dc
152a91945
hex1d6857a

30836090 has 16 divisors (see below), whose sum is σ = 55931040. Its totient is φ = 12239760.

The previous prime is 30836063. The next prime is 30836093. The reversal of 30836090 is 9063803.

It is not an unprimeable number, because it can be changed into a prime (30836093) 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, 10460 + ... + 13079.

It is an arithmetic number, because the mean of its divisors is an integer number (3495690).

Almost surely, 230836090 is an apocalyptic number.

30836090 is a deficient number, since it is larger than the sum of its proper divisors (25094950).

30836090 is a wasteful number, since it uses less digits than its factorization.

30836090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23677.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30836090 is about 5553.0253015811. The cubic root of 30836090 is about 313.5834266565.

Adding to 30836090 its reverse (9063803), we get a palindrome (39899893).

The spelling of 30836090 in words is "thirty million, eight hundred thirty-six thousand, ninety".

Divisors: 1 2 5 10 131 262 655 1310 23539 47078 117695 235390 3083609 6167218 15418045 30836090