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34831745 = 513241221
BaseRepresentation
bin1000010011011…
…1110110000001
32102112122011122
42010313312001
532404103440
63242322025
7602031164
oct204676601
972478148
1034831745
1118730673
12b7b9315
1372a7300
1448a9adb
1530d07b5
hex2137d81

34831745 has 12 divisors (see below), whose sum is σ = 45261756. Its totient is φ = 25721280.

The previous prime is 34831733. The next prime is 34831751. The reversal of 34831745 is 54713843.

It can be written as a sum of positive squares in 6 ways, for example, as 12666481 + 22165264 = 3559^2 + 4708^2 .

It is not a de Polignac number, because 34831745 - 210 = 34830721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19766 + ... + 21455.

It is an arithmetic number, because the mean of its divisors is an integer number (3771813).

Almost surely, 234831745 is an apocalyptic number.

It is an amenable number.

34831745 is a deficient number, since it is larger than the sum of its proper divisors (10430011).

34831745 is a wasteful number, since it uses less digits than its factorization.

34831745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41252 (or 41239 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 34831745 is about 5901.8425089119. The cubic root of 34831745 is about 326.5816238200.

The spelling of 34831745 in words is "thirty-four million, eight hundred thirty-one thousand, seven hundred forty-five".

Divisors: 1 5 13 65 169 845 41221 206105 535873 2679365 6966349 34831745