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2340389280 = 253513213691
BaseRepresentation
bin1000101101111111…
…1000000110100000
320001002212002112110
42023133320012200
514243114424110
61024122355320
7111665660235
oct21337700640
96032762473
102340389280
11aa10a8119
1255395bb40
132b3b46c38
14182b8378c
15da6eda20
hex8b7f81a0

2340389280 has 96 divisors (see below), whose sum is σ = 7379805888. Its totient is φ = 623462400.

The previous prime is 2340389267. The next prime is 2340389297. The reversal of 2340389280 is 829830432.

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

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, 632235 + ... + 635925.

It is an arithmetic number, because the mean of its divisors is an integer number (76872978).

Almost surely, 22340389280 is an apocalyptic number.

2340389280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2340389280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3689902944).

2340389280 is an abundant number, since it is smaller than the sum of its proper divisors (5039416608).

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

2340389280 is a wasteful number, since it uses less digits than its factorization.

2340389280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030 (or 5022 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2340389280 is about 48377.5700092512. The cubic root of 2340389280 is about 1327.6880103693.

The spelling of 2340389280 in words is "two billion, three hundred forty million, three hundred eighty-nine thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1321 2642 3691 3963 5284 6605 7382 7926 10568 11073 13210 14764 15852 18455 19815 21136 22146 26420 29528 31704 36910 39630 42272 44292 52840 55365 59056 63408 73820 79260 88584 105680 110730 118112 126816 147640 158520 177168 211360 221460 295280 317040 354336 442920 590560 634080 885840 1771680 4875811 9751622 14627433 19503244 24379055 29254866 39006488 48758110 58509732 73137165 78012976 97516220 117019464 146274330 156025952 195032440 234038928 292548660 390064880 468077856 585097320 780129760 1170194640 2340389280