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30133862 = 21147151193
BaseRepresentation
bin111001011110…
…0111001100110
32002200221212222
41302330321212
530203240422
62553512342
7514063553
oct162747146
962627788
1030133862
1116012020
12a1126b2
136320bb5
144005a2a
1529a3842
hex1cbce66

30133862 has 32 divisors (see below), whose sum is σ = 50955264. Its totient is φ = 13248000.

The previous prime is 30133861. The next prime is 30133903. The reversal of 30133862 is 26833103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133861) 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, 156038 + ... + 156230.

It is an arithmetic number, because the mean of its divisors is an integer number (1592352).

Almost surely, 230133862 is an apocalyptic number.

30133862 is a deficient number, since it is larger than the sum of its proper divisors (20821402).

30133862 is a wasteful number, since it uses less digits than its factorization.

30133862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 30133862 is about 5489.4318467397. The cubic root of 30133862 is about 311.1847208571.

Adding to 30133862 its reverse (26833103), we get a palindrome (56966965).

The spelling of 30133862 in words is "thirty million, one hundred thirty-three thousand, eight hundred sixty-two".

Divisors: 1 2 11 22 47 94 151 193 302 386 517 1034 1661 2123 3322 4246 7097 9071 14194 18142 29143 58286 78067 99781 156134 199562 320573 641146 1369721 2739442 15066931 30133862