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11953930 = 251996007
BaseRepresentation
bin101101100110…
…011100001010
3211111022201011
4231212130022
511030011210
61104114134
7203415052
oct55463412
924438634
1011953930
11682518a
12400594a
132627041
141832562
1510b1d8a
hexb6670a

11953930 has 16 divisors (see below), whose sum is σ = 21628800. Its totient is φ = 4756752.

The previous prime is 11953901. The next prime is 11953937. The reversal of 11953930 is 3935911.

11953930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11953892 and 11953901.

It is not an unprimeable number, because it can be changed into a prime (11953937) 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, 1014 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (1351800).

Almost surely, 211953930 is an apocalyptic number.

11953930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11953930 is a deficient number, since it is larger than the sum of its proper divisors (9674870).

11953930 is a wasteful number, since it uses less digits than its factorization.

11953930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 11953930 is about 3457.4455888705. The cubic root of 11953930 is about 228.6494895209.

The spelling of 11953930 in words is "eleven million, nine hundred fifty-three thousand, nine hundred thirty".

Divisors: 1 2 5 10 199 398 995 1990 6007 12014 30035 60070 1195393 2390786 5976965 11953930