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11797680 = 243549157
BaseRepresentation
bin101101000000…
…010010110000
3211012101101010
4231000102300
511010011210
61100510520
7202164366
oct55002260
924171333
1011797680
116728854
123b4b440
1325a0b9b
1417d1636
151080920
hexb404b0

11797680 has 40 divisors (see below), whose sum is σ = 36573552. Its totient is φ = 3145984.

The previous prime is 11797663. The next prime is 11797691. The reversal of 11797680 is 8679711.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24339 + ... + 24818.

Almost surely, 211797680 is an apocalyptic number.

11797680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11797680 is an abundant number, since it is smaller than the sum of its proper divisors (24775872).

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

11797680 is a wasteful number, since it uses less digits than its factorization.

11797680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49173 (or 49167 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 11797680 is about 3434.7751018080. The cubic root of 11797680 is about 227.6488901781.

The spelling of 11797680 in words is "eleven million, seven hundred ninety-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 49157 98314 147471 196628 245785 294942 393256 491570 589884 737355 786512 983140 1179768 1474710 1966280 2359536 2949420 3932560 5898840 11797680