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2308898620 = 2257219124001
BaseRepresentation
bin1000100110011110…
…1111111100111100
312221220121012110201
42021213233330330
514212034223440
61021035413244
7111134212600
oct21147577474
95856535421
102308898620
11a85349786
125452b4224
132aa46c602
1417c907500
15d7a7d19a
hex899eff3c

2308898620 has 72 divisors (see below), whose sum is σ = 5937215760. Its totient is φ = 749952000.

The previous prime is 2308898593. The next prime is 2308898621. The reversal of 2308898620 is 268988032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308898621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43381 + ... + 80620.

It is an arithmetic number, because the mean of its divisors is an integer number (82461330).

Almost surely, 22308898620 is an apocalyptic number.

2308898620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2308898620 is an abundant number, since it is smaller than the sum of its proper divisors (3628317140).

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

2308898620 is a wasteful number, since it uses less digits than its factorization.

2308898620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124043 (or 124034 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 2308898620 is about 48051.0001977066. Note that the first 3 decimals coincide. The cubic root of 2308898620 is about 1321.7062836457.

The spelling of 2308898620 in words is "two billion, three hundred eight million, eight hundred ninety-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 95 98 133 140 190 196 245 266 380 490 532 665 931 980 1330 1862 2660 3724 4655 9310 18620 124001 248002 496004 620005 868007 1240010 1736014 2356019 2480020 3472028 4340035 4712038 6076049 8680070 9424076 11780095 12152098 16492133 17360140 23560190 24304196 30380245 32984266 47120380 60760490 65968532 82460665 115444931 121520980 164921330 230889862 329842660 461779724 577224655 1154449310 2308898620