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72114160 = 245901427
BaseRepresentation
bin1000100110001…
…01111111110000
312000200210000211
410103011333300
5121430123120
611053353504
71533650236
oct423057760
9160623024
1072114160
1137785488
1220198894
1311c2bc01
149812956
1564e725a
hex44c5ff0

72114160 has 20 divisors (see below), whose sum is σ = 167665608. Its totient is φ = 28845632.

The previous prime is 72114157. The next prime is 72114167. The reversal of 72114160 is 6141127.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72114167) 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, 450634 + ... + 450793.

Almost surely, 272114160 is an apocalyptic number.

It is an amenable number.

72114160 is an abundant number, since it is smaller than the sum of its proper divisors (95551448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72114160 is a wasteful number, since it uses less digits than its factorization.

72114160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901440 (or 901434 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 72114160 is about 8492.0056523768. The cubic root of 72114160 is about 416.2365210700.

Adding to 72114160 its reverse (6141127), we get a palindrome (78255287).

The spelling of 72114160 in words is "seventy-two million, one hundred fourteen thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 901427 1802854 3605708 4507135 7211416 9014270 14422832 18028540 36057080 72114160