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100389071 is a prime number
BaseRepresentation
bin1011111101111…
…01000011001111
320222220021220202
411332331003033
5201144422241
613543404115
72326202336
oct576750317
9228807822
10100389071
1151737882
122975363b
1317a4b923
14d492d1d
158c2ed9b
hex5fbd0cf

100389071 has 2 divisors, whose sum is σ = 100389072. Its totient is φ = 100389070.

The previous prime is 100389061. The next prime is 100389073. The reversal of 100389071 is 170983001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100389071 - 210 = 100388047 is a prime.

Together with 100389073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100389073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50194535 + 50194536.

It is an arithmetic number, because the mean of its divisors is an integer number (50194536).

Almost surely, 2100389071 is an apocalyptic number.

100389071 is a deficient number, since it is larger than the sum of its proper divisors (1).

100389071 is an equidigital number, since it uses as much as digits as its factorization.

100389071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 100389071 is about 10019.4346646904. The cubic root of 100389071 is about 464.7600735516.

The spelling of 100389071 in words is "one hundred million, three hundred eighty-nine thousand, seventy-one".