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100275797 is a prime number
BaseRepresentation
bin1011111101000…
…01011001010101
320222200112112102
411332201121111
5201132311142
613541131445
72325221156
oct576413125
9228615472
10100275797
115166a766
12296b9b85
1317a0c1bb
14d46392d
158c0b532
hex5fa1655

100275797 has 2 divisors, whose sum is σ = 100275798. Its totient is φ = 100275796.

The previous prime is 100275779. The next prime is 100275811. The reversal of 100275797 is 797572001.

Together with previous prime (100275779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99181681 + 1094116 = 9959^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 100275797 - 26 = 100275733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100275797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100275767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50137898 + 50137899.

It is an arithmetic number, because the mean of its divisors is an integer number (50137899).

Almost surely, 2100275797 is an apocalyptic number.

It is an amenable number.

100275797 is a deficient number, since it is larger than the sum of its proper divisors (1).

100275797 is an equidigital number, since it uses as much as digits as its factorization.

100275797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 100275797 is about 10013.7803550907. The cubic root of 100275797 is about 464.5852037667.

The spelling of 100275797 in words is "one hundred million, two hundred seventy-five thousand, seven hundred ninety-seven".