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71960801 = 1143167911
BaseRepresentation
bin1000100101000…
…00100011100001
312000101222122212
410102200203201
5121410221201
611050211505
71532441153
oct422404341
9160358585
1071960801
1137690240
1220123b95
1311ba7173
1497b2ad3
1564b6abb
hex44a08e1

71960801 has 16 divisors (see below), whose sum is σ = 80898048. Its totient is φ = 63445200.

The previous prime is 71960797. The next prime is 71960821. The reversal of 71960801 is 10806917.

It is a cyclic number.

It is not a de Polignac number, because 71960801 - 22 = 71960797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71960821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78536 + ... + 79446.

It is an arithmetic number, because the mean of its divisors is an integer number (5056128).

Almost surely, 271960801 is an apocalyptic number.

It is an amenable number.

71960801 is a deficient number, since it is larger than the sum of its proper divisors (8937247).

71960801 is a wasteful number, since it uses less digits than its factorization.

71960801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 71960801 is about 8482.9712365421. The cubic root of 71960801 is about 415.9412534924.

The spelling of 71960801 in words is "seventy-one million, nine hundred sixty thousand, eight hundred one".

Divisors: 1 11 43 167 473 911 1837 7181 10021 39173 78991 152137 430903 1673507 6541891 71960801