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30190334 = 2172967457
BaseRepresentation
bin111001100101…
…0101011111110
32002210211100112
41303022223332
530212042314
62555030022
7514420316
oct163125376
962724315
1030190334
1116050499
12a13b312
136340805
14401c446
1529b543e
hex1ccaafe

30190334 has 32 divisors (see below), whose sum is σ = 50453280. Its totient is φ = 13483008.

The previous prime is 30190333. The next prime is 30190339. The reversal of 30190334 is 43309103.

It is a super-2 number, since 2×301903342 = 1822912534063112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30190333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65834 + ... + 66290.

It is an arithmetic number, because the mean of its divisors is an integer number (1576665).

Almost surely, 230190334 is an apocalyptic number.

30190334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30190334 is a deficient number, since it is larger than the sum of its proper divisors (20262946).

30190334 is a wasteful number, since it uses less digits than its factorization.

30190334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 30190334 is about 5494.5731408363. The cubic root of 30190334 is about 311.3789902070.

Adding to 30190334 its reverse (43309103), we get a palindrome (73499437).

The spelling of 30190334 in words is "thirty million, one hundred ninety thousand, three hundred thirty-four".

Divisors: 1 2 17 29 34 58 67 134 457 493 914 986 1139 1943 2278 3886 7769 13253 15538 26506 30619 33031 61238 66062 225301 450602 520523 887951 1041046 1775902 15095167 30190334