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68888024 = 238611003
BaseRepresentation
bin1000001101100…
…10010111011000
311210121212121022
410012302113120
5120113404044
610500302012
71464352502
oct406622730
9153555538
1068888024
1135981657
121b0a1908
131136c65a
149212d72
1560ab3ee
hex41b25d8

68888024 has 8 divisors (see below), whose sum is σ = 129165060. Its totient is φ = 34444008.

The previous prime is 68888011. The next prime is 68888087. The reversal of 68888024 is 42088886.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4305494 + ... + 4305509.

Almost surely, 268888024 is an apocalyptic number.

It is an amenable number.

68888024 is a deficient number, since it is larger than the sum of its proper divisors (60277036).

68888024 is a wasteful number, since it uses less digits than its factorization.

68888024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611009 (or 8611005 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 68888024 is about 8299.8809630018. The cubic root of 68888024 is about 409.9345999194.

The spelling of 68888024 in words is "sixty-eight million, eight hundred eighty-eight thousand, twenty-four".

Divisors: 1 2 4 8 8611003 17222006 34444012 68888024