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68225052 = 22372294001
BaseRepresentation
bin1000001000100…
…00100000011100
311202101012011210
410010100200130
5114431200202
610434144420
71455621600
oct404204034
9152335153
1068225052
1135569545
121aa22110
131119996c
1490bd500
155ec9c6c
hex411081c

68225052 has 72 divisors (see below), whose sum is σ = 191615760. Its totient is φ = 18816000.

The previous prime is 68225039. The next prime is 68225089. The reversal of 68225052 is 25052286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15052 + ... + 19052.

It is an arithmetic number, because the mean of its divisors is an integer number (2661330).

Almost surely, 268225052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68225052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95807880).

68225052 is an abundant number, since it is smaller than the sum of its proper divisors (123390708).

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

68225052 is a wasteful number, since it uses less digits than its factorization.

68225052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 68225052 is about 8259.8457612718. The cubic root of 68225052 is about 408.6153009389.

The spelling of 68225052 in words is "sixty-eight million, two hundred twenty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 49 58 84 87 98 116 147 174 196 203 294 348 406 588 609 812 1218 1421 2436 2842 4001 4263 5684 8002 8526 12003 16004 17052 24006 28007 48012 56014 84021 112028 116029 168042 196049 232058 336084 348087 392098 464116 588147 696174 784196 812203 1176294 1392348 1624406 2352588 2436609 3248812 4873218 5685421 9746436 11370842 17056263 22741684 34112526 68225052