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11720896 = 261116649
BaseRepresentation
bin101100101101…
…100011000000
3211001111001021
4230231203000
511000032041
61055115224
7201424465
oct54554300
924044037
1011720896
1166860a0
123b12b14
132574c55
1417b166c
151067cd1
hexb2d8c0

11720896 has 28 divisors (see below), whose sum is σ = 25374600. Its totient is φ = 5327360.

The previous prime is 11720873. The next prime is 11720899. The reversal of 11720896 is 69802711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11720899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7621 + ... + 9028.

Almost surely, 211720896 is an apocalyptic number.

11720896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11720896 is an abundant number, since it is smaller than the sum of its proper divisors (13653704).

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

11720896 is a wasteful number, since it uses less digits than its factorization.

11720896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16672 (or 16662 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11720896 is about 3423.5794134210. The cubic root of 11720896 is about 227.1539382917.

It can be divided in two parts, 11 and 720896, that multiplied together give a square (7929856 = 28162).

The spelling of 11720896 in words is "eleven million, seven hundred twenty thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 16649 33298 66596 133192 183139 266384 366278 532768 732556 1065536 1465112 2930224 5860448 11720896