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134205449 = 7115116657
BaseRepresentation
bin1111111111111…
…01000000001001
3100100112100021012
413333331000021
5233324033244
621152253305
73216504350
oct777750011
9310470235
10134205449
11698345a4
1238b41235
1321a5ba11
1413b76997
15bbae89e
hex7ffd009

134205449 has 8 divisors (see below), whose sum is σ = 153520128. Its totient is φ = 114926400.

The previous prime is 134205443. The next prime is 134205469. The reversal of 134205449 is 944502431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134205449 is a prime.

It is a super-2 number, since 2×1342054492 = 36022205082583202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134205443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 16385.

It is an arithmetic number, because the mean of its divisors is an integer number (19190016).

Almost surely, 2134205449 is an apocalyptic number.

It is an amenable number.

134205449 is a deficient number, since it is larger than the sum of its proper divisors (19314679).

134205449 is a wasteful number, since it uses less digits than its factorization.

134205449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 134205449 is about 11584.7075491788. The cubic root of 134205449 is about 511.9843859679.

The spelling of 134205449 in words is "one hundred thirty-four million, two hundred five thousand, four hundred forty-nine".

Divisors: 1 7 1151 8057 16657 116599 19172207 134205449