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270304091 = 1097246403
BaseRepresentation
bin10000000111001…
…000001101011011
3200211121212111122
4100013020031123
51023144212331
642453315455
76461355401
oct2007101533
9624555448
10270304091
11129641512
1276635b8b
1344001365
1427c83471
1518ae517b
hex101c835b

270304091 has 4 divisors (see below), whose sum is σ = 270551592. Its totient is φ = 270056592.

The previous prime is 270304087. The next prime is 270304093. The reversal of 270304091 is 190403072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 270304091 - 22 = 270304087 is a prime.

It is a super-2 number, since 2×2703040912 = 146128603222672562, which contains 22 as substring.

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 270304091.

It is not an unprimeable number, because it can be changed into a prime (270304093) 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, 122105 + ... + 124298.

It is an arithmetic number, because the mean of its divisors is an integer number (67637898).

Almost surely, 2270304091 is an apocalyptic number.

270304091 is a deficient number, since it is larger than the sum of its proper divisors (247501).

270304091 is a wasteful number, since it uses less digits than its factorization.

270304091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247500.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 270304091 is about 16440.9273156960. The cubic root of 270304091 is about 646.5729619719.

The spelling of 270304091 in words is "two hundred seventy million, three hundred four thousand, ninety-one".

Divisors: 1 1097 246403 270304091