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34505197 = 191816063
BaseRepresentation
bin1000001110100…
…0000111101101
32101221001020021
42003220013231
532313131242
63231322141
7566201146
oct203500755
971831207
1034505197
11185282a1
12b680351
1371c179c
144822acd
153068b67
hex20e81ed

34505197 has 4 divisors (see below), whose sum is σ = 36321280. Its totient is φ = 32689116.

The previous prime is 34505179. The next prime is 34505209. The reversal of 34505197 is 79150543.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79150543 = 83953621.

It is a cyclic number.

It is not a de Polignac number, because 34505197 - 223 = 26116589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34505117) 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, 908013 + ... + 908050.

It is an arithmetic number, because the mean of its divisors is an integer number (9080320).

Almost surely, 234505197 is an apocalyptic number.

It is an amenable number.

34505197 is a deficient number, since it is larger than the sum of its proper divisors (1816083).

34505197 is a wasteful number, since it uses less digits than its factorization.

34505197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816082.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 34505197 is about 5874.1124435952. The cubic root of 34505197 is about 325.5578490280.

The spelling of 34505197 in words is "thirty-four million, five hundred five thousand, one hundred ninety-seven".

Divisors: 1 19 1816063 34505197