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71841368 = 238980171
BaseRepresentation
bin1000100100000…
…11011001011000
312000011220211102
410102003121120
5121342410433
611043450532
71531433024
oct422033130
9160156742
1071841368
1137609535
1220086a48
1311b649b1
149781384
1564914e8
hex4483658

71841368 has 8 divisors (see below), whose sum is σ = 134702580. Its totient is φ = 35920680.

The previous prime is 71841361. The next prime is 71841373. The reversal of 71841368 is 86314817.

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

It is a super-2 number, since 2×718413682 = 10322364312222848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71841361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4490078 + ... + 4490093.

Almost surely, 271841368 is an apocalyptic number.

It is an amenable number.

71841368 is a deficient number, since it is larger than the sum of its proper divisors (62861212).

71841368 is a wasteful number, since it uses less digits than its factorization.

71841368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980177 (or 8980173 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 71841368 is about 8475.9287396721. The cubic root of 71841368 is about 415.7110141614.

The spelling of 71841368 in words is "seventy-one million, eight hundred forty-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 8980171 17960342 35920684 71841368