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11681070 = 235389369
BaseRepresentation
bin101100100011…
…110100101110
3210222110102020
4230203310232
510442243240
61054211010
7201200412
oct54436456
923873366
1011681070
116659185
123ab3a66
13255ca9b
1417a0d42
15105b0d0
hexb23d2e

11681070 has 16 divisors (see below), whose sum is σ = 28034640. Its totient is φ = 3114944.

The previous prime is 11681063. The next prime is 11681077. The reversal of 11681070 is 7018611.

It is an interprime number because it is at equal distance from previous prime (11681063) and next prime (11681077).

It is a self number, because there is not a number n which added to its sum of digits gives 11681070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681077) 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 7 ways as a sum of consecutive naturals, for example, 194655 + ... + 194714.

It is an arithmetic number, because the mean of its divisors is an integer number (1752165).

Almost surely, 211681070 is an apocalyptic number.

11681070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11681070 is an abundant number, since it is smaller than the sum of its proper divisors (16353570).

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

11681070 is a wasteful number, since it uses less digits than its factorization.

11681070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389379.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 11681070 is about 3417.7580370764. The cubic root of 11681070 is about 226.8963670122.

Adding to 11681070 its reverse (7018611), we get a palindrome (18699681).

The spelling of 11681070 in words is "eleven million, six hundred eighty-one thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 389369 778738 1168107 1946845 2336214 3893690 5840535 11681070