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229608605 = 5432234789
BaseRepresentation
bin11011010111110…
…00110010011101
3121000001022210102
431223320302131
5432234433410
634441150445
75455432562
oct1553706235
9530038712
10229608605
11108676386
1264a8b425
13387530a5
14226cc869
15152572a5
hexdaf8c9d

229608605 has 16 divisors (see below), whose sum is σ = 283261440. Its totient is φ = 178573248.

The previous prime is 229608557. The next prime is 229608607. The reversal of 229608605 is 506806922.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-229608605 is a prime.

It is a super-2 number, since 2×2296086052 = 105440222980092050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229608607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45551 + ... + 50339.

It is an arithmetic number, because the mean of its divisors is an integer number (17703840).

Almost surely, 2229608605 is an apocalyptic number.

It is an amenable number.

229608605 is a deficient number, since it is larger than the sum of its proper divisors (53652835).

229608605 is a wasteful number, since it uses less digits than its factorization.

229608605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 229608605 is about 15152.8414827055. The cubic root of 229608605 is about 612.3448269969.

The spelling of 229608605 in words is "two hundred twenty-nine million, six hundred eight thousand, six hundred five".

Divisors: 1 5 43 215 223 1115 4789 9589 23945 47945 205927 1029635 1067947 5339735 45921721 229608605