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72196151 is a prime number
BaseRepresentation
bin1000100110110…
…10000000110111
312000211221111112
410103122000313
5121440234101
611055225235
71534441256
oct423320067
9160757445
1072196151
1137831045
122021821b
1311c5a321
14983479d
1565116bb
hex44da037

72196151 has 2 divisors, whose sum is σ = 72196152. Its totient is φ = 72196150.

The previous prime is 72196147. The next prime is 72196169. The reversal of 72196151 is 15169127.

It is a weak prime.

It is an emirp because it is prime and its reverse (15169127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72196151 - 22 = 72196147 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72196451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36098075 + 36098076.

It is an arithmetic number, because the mean of its divisors is an integer number (36098076).

Almost surely, 272196151 is an apocalyptic number.

72196151 is a deficient number, since it is larger than the sum of its proper divisors (1).

72196151 is an equidigital number, since it uses as much as digits as its factorization.

72196151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 32.

The square root of 72196151 is about 8496.8318213320. The cubic root of 72196151 is about 416.3942095777.

The spelling of 72196151 in words is "seventy-two million, one hundred ninety-six thousand, one hundred fifty-one".