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30111796 = 22111361863
BaseRepresentation
bin111001011011…
…1100000110100
32002122211121201
41302313200310
530202034141
62553222244
7513642331
oct162674064
962584551
1030111796
1115aa7490
12a101984
136313b40
143ddb988
15299c031
hex1cb7834

30111796 has 48 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 12412800.

The previous prime is 30111787. The next prime is 30111797. The reversal of 30111796 is 69711103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34461 + ... + 35323.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 230111796 is an apocalyptic number.

It is an amenable number.

30111796 is an abundant number, since it is smaller than the sum of its proper divisors (32884172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30111796 is a wasteful number, since it uses less digits than its factorization.

30111796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 30111796 is about 5487.4216167523. The cubic root of 30111796 is about 311.1087456547.

Adding to 30111796 its reverse (69711103), we get a palindrome (99822899).

The spelling of 30111796 in words is "thirty million, one hundred eleven thousand, seven hundred ninety-six".

Divisors: 1 2 4 11 13 22 26 44 52 61 122 143 244 286 572 671 793 863 1342 1586 1726 2684 3172 3452 8723 9493 11219 17446 18986 22438 34892 37972 44876 52643 105286 123409 210572 246818 493636 579073 684359 1158146 1368718 2316292 2737436 7527949 15055898 30111796