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2308056080 = 2451113918869
BaseRepresentation
bin1000100110010010…
…0010010000010000
312221212000101201112
42021210202100100
514211330243310
61021005352452
7111124103321
oct21144422020
95855011645
102308056080
11a84923770
12544b68728
132aa235c75
1417c768448
15d7963705
hex89922410

2308056080 has 80 divisors (see below), whose sum is σ = 5896497600. Its totient is φ = 833210880.

The previous prime is 2308056077. The next prime is 2308056083. The reversal of 2308056080 is 806508032.

It is an interprime number because it is at equal distance from previous prime (2308056077) and next prime (2308056083).

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

It is not an unprimeable number, because it can be changed into a prime (2308056083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112886 + ... + 131754.

It is an arithmetic number, because the mean of its divisors is an integer number (73706220).

Almost surely, 22308056080 is an apocalyptic number.

2308056080 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 2308056080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948248800).

2308056080 is an abundant number, since it is smaller than the sum of its proper divisors (3588441520).

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

2308056080 is a wasteful number, since it uses less digits than its factorization.

2308056080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032 (or 19026 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2308056080 is about 48042.2322545487. The cubic root of 2308056080 is about 1321.5454961771.

The spelling of 2308056080 in words is "two billion, three hundred eight million, fifty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 139 176 220 278 440 556 695 880 1112 1390 1529 2224 2780 3058 5560 6116 7645 11120 12232 15290 18869 24464 30580 37738 61160 75476 94345 122320 150952 188690 207559 301904 377380 415118 754760 830236 1037795 1509520 1660472 2075590 2622791 3320944 4151180 5245582 8302360 10491164 13113955 16604720 20982328 26227910 28850701 41964656 52455820 57701402 104911640 115402804 144253505 209823280 230805608 288507010 461611216 577014020 1154028040 2308056080