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68588632 = 2372199209
BaseRepresentation
bin1000001011010…
…01010001011000
311210001122220201
410011221101120
5120024314012
610450031544
71461664600
oct405512130
9153048821
1068588632
1135797722
121ab785b4
13112962b8
149175c00
15604c857
hex4169458

68588632 has 48 divisors (see below), whose sum is σ = 157491000. Its totient is φ = 27844992.

The previous prime is 68588623. The next prime is 68588633. The reversal of 68588632 is 23688586.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68588633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2844 + ... + 12052.

Almost surely, 268588632 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 68588632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78745500).

68588632 is an abundant number, since it is smaller than the sum of its proper divisors (88902368).

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

68588632 is a wasteful number, since it uses less digits than its factorization.

68588632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248 (or 9237 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 68588632 is about 8281.8254026513. The cubic root of 68588632 is about 409.3398696968.

Subtracting from 68588632 its sum of digits (46), we obtain a palindrome (68588586).

The spelling of 68588632 in words is "sixty-eight million, five hundred eighty-eight thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 392 532 931 1064 1862 3724 7448 9209 18418 36836 64463 73672 128926 174971 257852 349942 451241 515704 699884 902482 1224797 1399768 1804964 2449594 3609928 4899188 8573579 9798376 17147158 34294316 68588632