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8423055520 = 255114785827
BaseRepresentation
bin1111101100000110…
…11010000010100000
3210202000110112222021
413312003122002200
5114222300234040
63511451151224
7415505535115
oct76603320240
923660415867
108423055520
113632660310
121770a45514
13a43097829
1459c95090c
1534471524a
hex1f60da0a0

8423055520 has 48 divisors (see below), whose sum is σ = 21708515808. Its totient is φ = 3062928640.

The previous prime is 8423055479. The next prime is 8423055577. The reversal of 8423055520 is 255503248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391154 + ... + 2394673.

It is an arithmetic number, because the mean of its divisors is an integer number (452260746).

Almost surely, 28423055520 is an apocalyptic number.

8423055520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8423055520 is an abundant number, since it is smaller than the sum of its proper divisors (13285460288).

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

8423055520 is a wasteful number, since it uses less digits than its factorization.

8423055520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785853 (or 4785845 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 8423055520 is about 91777.2058846858. The cubic root of 8423055520 is about 2034.6508199611.

Adding to 8423055520 its reverse (255503248), we get a palindrome (8678558768).

The spelling of 8423055520 in words is "eight billion, four hundred twenty-three million, fifty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 4785827 9571654 19143308 23929135 38286616 47858270 52644097 76573232 95716540 105288194 153146464 191433080 210576388 263220485 382866160 421152776 526440970 765732320 842305552 1052881940 1684611104 2105763880 4211527760 8423055520