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155072083 is a prime number
BaseRepresentation
bin10010011111000…
…11011001010011
3101210210110220111
421033203121103
5304144301313
623215422151
73562043125
oct1117433123
9353713814
10155072083
117a596a51
1243b24957
132618673a
1416849215
15d93243d
hex93e3653

155072083 has 2 divisors, whose sum is σ = 155072084. Its totient is φ = 155072082.

The previous prime is 155072063. The next prime is 155072101. The reversal of 155072083 is 380270551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155072083 - 25 = 155072051 is a prime.

It is not a weakly prime, because it can be changed into another prime (155072033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77536041 + 77536042.

It is an arithmetic number, because the mean of its divisors is an integer number (77536042).

Almost surely, 2155072083 is an apocalyptic number.

155072083 is a deficient number, since it is larger than the sum of its proper divisors (1).

155072083 is an equidigital number, since it uses as much as digits as its factorization.

155072083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 155072083 is about 12452.7941844391. The cubic root of 155072083 is about 537.2517929541.

The spelling of 155072083 in words is "one hundred fifty-five million, seventy-two thousand, eighty-three".