Search a number
-
+
43690080 = 2535713003
BaseRepresentation
bin1010011010101…
…0100001100000
310001012200112010
42212222201200
542141040310
64200232520
71040234220
oct246524140
9101180463
1043690080
1122731005
121276b740
139089325
145b34080
153c80320
hex29aa860

43690080 has 96 divisors (see below), whose sum is σ = 157296384. Its totient is φ = 9985536.

The previous prime is 43690079. The next prime is 43690093. The reversal of 43690080 is 8009634.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142 + ... + 9861.

It is an arithmetic number, because the mean of its divisors is an integer number (1638504).

Almost surely, 243690080 is an apocalyptic number.

43690080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43690080 is an abundant number, since it is smaller than the sum of its proper divisors (113606304).

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

43690080 is a wasteful number, since it uses less digits than its factorization.

43690080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028 (or 13020 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 43690080 is about 6609.8471994442. The cubic root of 43690080 is about 352.2039967674.

The spelling of 43690080 in words is "forty-three million, six hundred ninety thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 13003 26006 39009 52012 65015 78018 91021 104024 130030 156036 182042 195045 208048 260060 273063 312072 364084 390090 416096 455105 520120 546126 624144 728168 780180 910210 1040240 1092252 1248288 1365315 1456336 1560360 1820420 2080480 2184504 2730630 2912672 3120720 3640840 4369008 5461260 6241440 7281680 8738016 10922520 14563360 21845040 43690080