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102949757 is a prime number
BaseRepresentation
bin1100010001011…
…10001101111101
321011201101111222
412020232031331
5202323343012
614114323125
72360026031
oct610561575
9234641458
10102949757
1153126749
122a5894a5
1318437321
14d95c1c1
159088972
hex622e37d

102949757 has 2 divisors, whose sum is σ = 102949758. Its totient is φ = 102949756.

The previous prime is 102949741. The next prime is 102949789. The reversal of 102949757 is 757949201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57441241 + 45508516 = 7579^2 + 6746^2 .

It is a cyclic number.

It is not a de Polignac number, because 102949757 - 24 = 102949741 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 (102949727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51474878 + 51474879.

It is an arithmetic number, because the mean of its divisors is an integer number (51474879).

Almost surely, 2102949757 is an apocalyptic number.

It is an amenable number.

102949757 is a deficient number, since it is larger than the sum of its proper divisors (1).

102949757 is an equidigital number, since it uses as much as digits as its factorization.

102949757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 102949757 is about 10146.4159682126. The cubic root of 102949757 is about 468.6785834428.

The spelling of 102949757 in words is "one hundred two million, nine hundred forty-nine thousand, seven hundred fifty-seven".