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34897145 = 56979429
BaseRepresentation
bin1000010100011…
…1110011111001
32102122221212212
42011013303321
532413202040
63243544505
7602422643
oct205076371
972587785
1034897145
1118775818
12b82b135
1372cacca
1448c5893
1530e4d65
hex2147cf9

34897145 has 4 divisors (see below), whose sum is σ = 41876580. Its totient is φ = 27917712.

The previous prime is 34897133. The next prime is 34897147. The reversal of 34897145 is 54179843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54179843 = 367147629.

It can be written as a sum of positive squares in 2 ways, for example, as 24522304 + 10374841 = 4952^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 34897145 - 214 = 34880761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34897147) 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, 3489710 + ... + 3489719.

It is an arithmetic number, because the mean of its divisors is an integer number (10469145).

Almost surely, 234897145 is an apocalyptic number.

It is an amenable number.

34897145 is a deficient number, since it is larger than the sum of its proper divisors (6979435).

34897145 is an equidigital number, since it uses as much as digits as its factorization.

34897145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6979434.

The product of its digits is 120960, while the sum is 41.

The square root of 34897145 is about 5907.3805531724. The cubic root of 34897145 is about 326.7858923171.

The spelling of 34897145 in words is "thirty-four million, eight hundred ninety-seven thousand, one hundred forty-five".

Divisors: 1 5 6979429 34897145