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221060030 = 2522106003
BaseRepresentation
bin11010010110100…
…01101110111110
3120101222000100112
431023101232332
5423042410110
633534030022
75322656612
oct1513215676
9511860315
10221060030
11103867744
1262048312
1336a4c069
1421505342
1514619405
hexd2d1bbe

221060030 has 8 divisors (see below), whose sum is σ = 397908072. Its totient is φ = 88424008.

The previous prime is 221060029. The next prime is 221060051. The reversal of 221060030 is 30060122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221059987 and 221060014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11052992 + ... + 11053011.

It is an arithmetic number, because the mean of its divisors is an integer number (49738509).

Almost surely, 2221060030 is an apocalyptic number.

221060030 is a deficient number, since it is larger than the sum of its proper divisors (176848042).

221060030 is a wasteful number, since it uses less digits than its factorization.

221060030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22106010.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 221060030 is about 14868.0876376217. The cubic root of 221060030 is about 604.6490964244.

The spelling of 221060030 in words is "two hundred twenty-one million, sixty thousand, thirty".

Divisors: 1 2 5 10 22106003 44212006 110530015 221060030