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68588252 = 2219902477
BaseRepresentation
bin1000001011010…
…01001011011100
311210001122101122
410011221023130
5120024311002
610450030112
71461663515
oct405511334
9153048348
1068588252
1135797407
121ab78338
1311296085
149175a0c
15604c6a2
hex41692dc

68588252 has 12 divisors (see below), whose sum is σ = 126346920. Its totient is φ = 32489136.

The previous prime is 68588249. The next prime is 68588257. The reversal of 68588252 is 25288586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68588257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451163 + ... + 451314.

It is an arithmetic number, because the mean of its divisors is an integer number (10528910).

Almost surely, 268588252 is an apocalyptic number.

It is an amenable number.

68588252 is a deficient number, since it is larger than the sum of its proper divisors (57758668).

68588252 is a wasteful number, since it uses less digits than its factorization.

68588252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902500 (or 902498 counting only the distinct ones).

The product of its digits is 307200, while the sum is 44.

The square root of 68588252 is about 8281.8024608173. The cubic root of 68588252 is about 409.3391137433.

The spelling of 68588252 in words is "sixty-eight million, five hundred eighty-eight thousand, two hundred fifty-two".

Divisors: 1 2 4 19 38 76 902477 1804954 3609908 17147063 34294126 68588252