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34561145 = 5371271471
BaseRepresentation
bin1000001111010…
…1110001111001
32102000212222102
42003311301321
532321424040
63232433145
7566523233
oct203656171
972025872
1034561145
1118566333
12b6a87b5
1372110a8
144839253
15307a515
hex20f5c79

34561145 has 16 divisors (see below), whose sum is σ = 42958848. Its totient is φ = 26671680.

The previous prime is 34561091. The next prime is 34561169. The reversal of 34561145 is 54116543.

It is a happy number.

It is not a de Polignac number, because 34561145 - 214 = 34544761 is a prime.

It is a super-2 number, since 2×345611452 = 2388945487422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22760 + ... + 24230.

It is an arithmetic number, because the mean of its divisors is an integer number (2684928).

Almost surely, 234561145 is an apocalyptic number.

It is an amenable number.

34561145 is a deficient number, since it is larger than the sum of its proper divisors (8397703).

34561145 is a wasteful number, since it uses less digits than its factorization.

34561145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its digits is 7200, while the sum is 29.

The square root of 34561145 is about 5878.8727661007. The cubic root of 34561145 is about 325.7337111833.

Adding to 34561145 its reverse (54116543), we get a palindrome (88677688).

The spelling of 34561145 in words is "thirty-four million, five hundred sixty-one thousand, one hundred forty-five".

Divisors: 1 5 37 127 185 635 1471 4699 7355 23495 54427 186817 272135 934085 6912229 34561145