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11960421 = 311596143
BaseRepresentation
bin101101101000…
…000001100101
3211111122121120
4231220001211
511030213141
61104204153
7203443014
oct55500145
924448546
1011960421
11682a050
124009659
132629c95
141834a7b
1510b3c66
hexb68065

11960421 has 16 divisors (see below), whose sum is σ = 17694720. Its totient is φ = 7124720.

The previous prime is 11960411. The next prime is 11960449. The reversal of 11960421 is 12406911.

It is a cyclic number.

It is not a de Polignac number, because 11960421 - 27 = 11960293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11960391 and 11960400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11960411) 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, 1125 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (1105920).

Almost surely, 211960421 is an apocalyptic number.

11960421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11960421 is a deficient number, since it is larger than the sum of its proper divisors (5734299).

11960421 is a wasteful number, since it uses less digits than its factorization.

11960421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11960421 is about 3458.3841602691. The cubic root of 11960421 is about 228.6908676920.

The spelling of 11960421 in words is "eleven million, nine hundred sixty thousand, four hundred twenty-one".

Divisors: 1 3 11 33 59 177 649 1947 6143 18429 67573 202719 362437 1087311 3986807 11960421