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27923040 = 2532519391
BaseRepresentation
bin110101010000…
…1001001100000
31221112122012200
41222201021200
524122014130
62434253200
7456225165
oct152411140
957478180
1027923040
1114841aa2
129427200
135a28812
1439cc06c
1526b8760
hex1aa1260

27923040 has 72 divisors (see below), whose sum is σ = 95292288. Its totient is φ = 7445760.

The previous prime is 27923017. The next prime is 27923053. The reversal of 27923040 is 4032972.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 27922995 and 27923013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8256 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (1323504).

Almost surely, 227923040 is an apocalyptic number.

27923040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27923040 is an abundant number, since it is smaller than the sum of its proper divisors (67369248).

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

27923040 is a wasteful number, since it uses less digits than its factorization.

27923040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19412 (or 19401 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 27923040 is about 5284.2255818615. The cubic root of 27923040 is about 303.3804325152.

It can be divided in two parts, 2792 and 3040, that added together give a cube (5832 = 183).

The spelling of 27923040 in words is "twenty-seven million, nine hundred twenty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 19391 38782 58173 77564 96955 116346 155128 174519 193910 232692 290865 310256 349038 387820 465384 581730 620512 698076 775640 872595 930768 1163460 1396152 1551280 1745190 1861536 2326920 2792304 3102560 3490380 4653840 5584608 6980760 9307680 13961520 27923040