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11920560 = 243549669
BaseRepresentation
bin101101011110…
…010010110000
3211102121221020
4231132102300
511022424220
61103255440
7203215551
oct55362260
924377836
1011920560
116802103
123baa580
132614ab2
141824328
1510a7040
hexb5e4b0

11920560 has 40 divisors (see below), whose sum is σ = 36954480. Its totient is φ = 3178752.

The previous prime is 11920541. The next prime is 11920561. The reversal of 11920560 is 6502911.

11920560 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11920560.

It is not an unprimeable number, because it can be changed into a prime (11920561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24595 + ... + 25074.

It is an arithmetic number, because the mean of its divisors is an integer number (923862).

Almost surely, 211920560 is an apocalyptic number.

11920560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11920560 is an abundant number, since it is smaller than the sum of its proper divisors (25033920).

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

11920560 is a wasteful number, since it uses less digits than its factorization.

11920560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49685 (or 49679 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11920560 is about 3452.6163991964. The cubic root of 11920560 is about 228.4365290309.

The spelling of 11920560 in words is "eleven million, nine hundred twenty thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 49669 99338 149007 198676 248345 298014 397352 496690 596028 745035 794704 993380 1192056 1490070 1986760 2384112 2980140 3973520 5960280 11920560