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11875920 = 243577069
BaseRepresentation
bin101101010011…
…011001010000
3211100100200220
4231103121100
511020012140
61102313040
7202641450
oct55233120
924310626
1011875920
116781611
123b88780
1325ca694
141811d60
151098bd0
hexb53650

11875920 has 80 divisors (see below), whose sum is σ = 42080640. Its totient is φ = 2714112.

The previous prime is 11875901. The next prime is 11875921. The reversal of 11875920 is 2957811.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11875921) 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 15 ways as a sum of consecutive naturals, for example, 1855 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (526008).

Almost surely, 211875920 is an apocalyptic number.

11875920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11875920 is an abundant number, since it is smaller than the sum of its proper divisors (30204720).

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

11875920 is a wasteful number, since it uses less digits than its factorization.

11875920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 11875920 is about 3446.1456730672. The cubic root of 11875920 is about 228.1510233652.

The spelling of 11875920 in words is "eleven million, eight hundred seventy-five thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 7069 14138 21207 28276 35345 42414 49483 56552 70690 84828 98966 106035 113104 141380 148449 169656 197932 212070 247415 282760 296898 339312 395864 424140 494830 565520 593796 742245 791728 848280 989660 1187592 1484490 1696560 1979320 2375184 2968980 3958640 5937960 11875920