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11611420 = 225797349
BaseRepresentation
bin101100010010…
…110100011100
3210211220212121
4230102310130
510433031140
61052512324
7200460352
oct54226434
923756777
1011611420
116610917
123a7b6a4
132537182
1417837d2
15104564a
hexb12d1c

11611420 has 24 divisors (see below), whose sum is σ = 24696000. Its totient is φ = 4585152.

The previous prime is 11611367. The next prime is 11611427. The reversal of 11611420 is 2411611.

It is a junction number, because it is equal to n+sod(n) for n = 11611394 and 11611403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095 + ... + 5254.

It is an arithmetic number, because the mean of its divisors is an integer number (1029000).

Almost surely, 211611420 is an apocalyptic number.

11611420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11611420 is an abundant number, since it is smaller than the sum of its proper divisors (13084580).

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

11611420 is a wasteful number, since it uses less digits than its factorization.

11611420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7437 (or 7435 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11611420 is about 3407.5533744903. The cubic root of 11611420 is about 226.4445006940. Note that the first 3 decimals are identical.

The spelling of 11611420 in words is "eleven million, six hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 7349 14698 29396 36745 73490 146980 580571 1161142 2322284 2902855 5805710 11611420