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34404345 = 3451719263
BaseRepresentation
bin1000001100111…
…1011111111001
32101201220220000
42003033133321
532301414340
63225223213
7565301133
oct203173771
971656800
1034404345
1118469548
12b631b09
137187901
1447d8053
153048d30
hex20cf7f9

34404345 has 80 divisors (see below), whose sum is σ = 68999040. Its totient is φ = 16298496.

The previous prime is 34404341. The next prime is 34404397. The reversal of 34404345 is 54340443.

It is not a de Polignac number, because 34404345 - 22 = 34404341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34404341) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 130684 + ... + 130946.

It is an arithmetic number, because the mean of its divisors is an integer number (862488).

Almost surely, 234404345 is an apocalyptic number.

It is an amenable number.

34404345 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

34404345 is a wasteful number, since it uses less digits than its factorization.

34404345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 34404345 is about 5865.5217159260. The cubic root of 34404345 is about 325.2403586844.

Adding to 34404345 its reverse (54340443), we get a palindrome (88744788).

The spelling of 34404345 in words is "thirty-four million, four hundred four thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 17 19 27 45 51 57 81 85 95 135 153 171 255 263 285 323 405 459 513 765 789 855 969 1315 1377 1539 1615 2295 2367 2565 2907 3945 4471 4845 4997 6885 7101 7695 8721 11835 13413 14535 14991 21303 22355 24985 26163 35505 40239 43605 44973 67065 74955 84949 106515 120717 130815 134919 201195 224865 254847 362151 404757 424745 603585 674595 764541 1274235 1810755 2023785 2293623 3822705 6880869 11468115 34404345