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68497228 = 2231552397
BaseRepresentation
bin1000001010100…
…10111101001100
311202220000112101
410011102331030
5120013402403
610444044444
71461134242
oct405227514
9152800471
1068497228
1135734a88
121ab33724
1311263807
149150792
15603071d
hex4152f4c

68497228 has 12 divisors (see below), whose sum is σ = 123737152. Its totient is φ = 33143760.

The previous prime is 68497201. The next prime is 68497241. The reversal of 68497228 is 82279486.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276075 + ... + 276322.

Almost surely, 268497228 is an apocalyptic number.

It is an amenable number.

68497228 is a deficient number, since it is larger than the sum of its proper divisors (55239924).

68497228 is a wasteful number, since it uses less digits than its factorization.

68497228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552432 (or 552430 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 68497228 is about 8276.3052142849. The cubic root of 68497228 is about 409.1579545453.

The spelling of 68497228 in words is "sixty-eight million, four hundred ninety-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 31 62 124 552397 1104794 2209588 17124307 34248614 68497228