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269031641 is a prime number
BaseRepresentation
bin10000000010010…
…001100011011001
3200202020020000212
4100002101203121
51022333003031
642410140505
76444505544
oct2002214331
9622206025
10269031641
111289524aa
1276121735
1343977128
1427a3185b
151894312b
hex100918d9

269031641 has 2 divisors, whose sum is σ = 269031642. Its totient is φ = 269031640.

The previous prime is 269031629. The next prime is 269031649. The reversal of 269031641 is 146130962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164583241 + 104448400 = 12829^2 + 10220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-269031641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 269031598 and 269031607.

It is not a weakly prime, because it can be changed into another prime (269031649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134515820 + 134515821.

It is an arithmetic number, because the mean of its divisors is an integer number (134515821).

Almost surely, 2269031641 is an apocalyptic number.

It is an amenable number.

269031641 is a deficient number, since it is larger than the sum of its proper divisors (1).

269031641 is an equidigital number, since it uses as much as digits as its factorization.

269031641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 269031641 is about 16402.1840314026. The cubic root of 269031641 is about 645.5567902151.

The spelling of 269031641 in words is "two hundred sixty-nine million, thirty-one thousand, six hundred forty-one".