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72117014 = 236058507
BaseRepresentation
bin1000100110001…
…10101100010110
312000200220221112
410103012230112
5121430221024
611053415022
71533661454
oct423065426
9160626845
1072117014
1137787642
122019a472
1311c302b8
1498139d4
1564e800e
hex44c6b16

72117014 has 4 divisors (see below), whose sum is σ = 108175524. Its totient is φ = 36058506.

The previous prime is 72117013. The next prime is 72117049. The reversal of 72117014 is 41071127.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72117013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18029252 + ... + 18029255.

It is an arithmetic number, because the mean of its divisors is an integer number (27043881).

Almost surely, 272117014 is an apocalyptic number.

72117014 is a deficient number, since it is larger than the sum of its proper divisors (36058510).

72117014 is a wasteful number, since it uses less digits than its factorization.

72117014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36058509.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 72117014 is about 8492.1736911111. The cubic root of 72117014 is about 416.2420120090.

The spelling of 72117014 in words is "seventy-two million, one hundred seventeen thousand, fourteen".

Divisors: 1 2 36058507 72117014