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269305157 = 1124482287
BaseRepresentation
bin10000000011010…
…100010101000101
3200202202010020002
4100003110111011
51022420231112
642420051045
76450025142
oct2003242505
9622663202
10269305157
11129019a50
1276233a85
1343a41784
1427aa33c9
15189991c2
hex100d4545

269305157 has 4 divisors (see below), whose sum is σ = 293787456. Its totient is φ = 244822860.

The previous prime is 269305117. The next prime is 269305181. The reversal of 269305157 is 751503962.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 269305157 - 28 = 269304901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 269305157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269305117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12241133 + ... + 12241154.

It is an arithmetic number, because the mean of its divisors is an integer number (73446864).

Almost surely, 2269305157 is an apocalyptic number.

It is an amenable number.

269305157 is a deficient number, since it is larger than the sum of its proper divisors (24482299).

269305157 is a wasteful number, since it uses less digits than its factorization.

269305157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24482298.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 269305157 is about 16410.5197053597. The cubic root of 269305157 is about 645.7754885392.

The spelling of 269305157 in words is "two hundred sixty-nine million, three hundred five thousand, one hundred fifty-seven".

Divisors: 1 11 24482287 269305157