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220334970 = 23512915689
BaseRepresentation
bin11010010001000…
…00101101111010
3120100121011202110
431020200231322
5422401204340
633510313150
75313550002
oct1510405572
9510534673
10220334970
11103411a19
12619587b6
133685702b
1421397002
1514524680
hexd220b7a

220334970 has 32 divisors (see below), whose sum is σ = 529306560. Its totient is φ = 58700160.

The previous prime is 220334929. The next prime is 220334987. The reversal of 220334970 is 79433022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35886 + ... + 41574.

It is an arithmetic number, because the mean of its divisors is an integer number (16540830).

Almost surely, 2220334970 is an apocalyptic number.

220334970 is an abundant number, since it is smaller than the sum of its proper divisors (308971590).

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

220334970 is a wasteful number, since it uses less digits than its factorization.

220334970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 220334970 is about 14843.6845156450. The cubic root of 220334970 is about 603.9873047490.

Adding to 220334970 its reverse (79433022), we get a palindrome (299767992).

It can be divided in two parts, 2203 and 34970, that added together give a palindrome (37173).

The spelling of 220334970 in words is "two hundred twenty million, three hundred thirty-four thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1291 2582 3873 5689 6455 7746 11378 12910 17067 19365 28445 34134 38730 56890 85335 170670 7344499 14688998 22033497 36722495 44066994 73444990 110167485 220334970