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3122440080 = 243583156749
BaseRepresentation
bin1011101000011100…
…1010011110010000
322001121102101112220
42322013022132100
522343321040310
61233500421040
7140243205564
oct27207123620
98047371486
103122440080
1113625994a1
12731847780
133a9b83ca6
142189996a4
151341cc670
hexba1ca790

3122440080 has 80 divisors (see below), whose sum is σ = 9796248000. Its totient is φ = 822613504.

The previous prime is 3122440043. The next prime is 3122440091. The reversal of 3122440080 is 800442213.

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

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 3122440080.

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, 58455 + ... + 98294.

It is an arithmetic number, because the mean of its divisors is an integer number (122453100).

Almost surely, 23122440080 is an apocalyptic number.

3122440080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3122440080 is an abundant number, since it is smaller than the sum of its proper divisors (6673807920).

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

3122440080 is a wasteful number, since it uses less digits than its factorization.

3122440080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156848 (or 156842 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 3122440080 is about 55878.7981259440. The cubic root of 3122440080 is about 1461.6095466356.

Adding to 3122440080 its reverse (800442213), we get a palindrome (3922882293).

The spelling of 3122440080 in words is "three billion, one hundred twenty-two million, four hundred forty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 83 120 166 240 249 332 415 498 664 830 996 1245 1328 1660 1992 2490 3320 3984 4980 6640 9960 19920 156749 313498 470247 626996 783745 940494 1253992 1567490 1880988 2351235 2507984 3134980 3761976 4702470 6269960 7523952 9404940 12539920 13010167 18809880 26020334 37619760 39030501 52040668 65050835 78061002 104081336 130101670 156122004 195152505 208162672 260203340 312244008 390305010 520406680 624488016 780610020 1040813360 1561220040 3122440080