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349075025 = 521317234167
BaseRepresentation
bin10100110011100…
…111011001010001
3220022211211220122
4110303213121101
51203330400100
654345520025
711436042305
oct2463473121
9808754818
10349075025
1116a053262
1298aa3015
1357421190
1434509d05
15209a4985
hex14ce7651

349075025 has 96 divisors (see below), whose sum is σ = 535465728. Its totient is φ = 223027200.

The previous prime is 349075021. The next prime is 349075031. The reversal of 349075025 is 520570943.

It is not a de Polignac number, because 349075025 - 22 = 349075021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349075021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5210042 + ... + 5210108.

It is an arithmetic number, because the mean of its divisors is an integer number (5577768).

Almost surely, 2349075025 is an apocalyptic number.

It is an amenable number.

349075025 is a deficient number, since it is larger than the sum of its proper divisors (186390703).

349075025 is a wasteful number, since it uses less digits than its factorization.

349075025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 349075025 is about 18683.5495824535. The cubic root of 349075025 is about 704.1085088265.

The spelling of 349075025 in words is "three hundred forty-nine million, seventy-five thousand, twenty-five".

Divisors: 1 5 13 17 23 25 41 65 67 85 115 205 221 299 325 335 391 425 533 575 697 871 943 1025 1105 1139 1495 1541 1675 1955 2665 2747 3485 4355 4715 5083 5525 5695 7475 7705 9061 9775 12259 13325 13735 14807 16031 17425 20033 21775 23575 25415 26197 28475 35711 38525 45305 46699 61295 63181 68675 74035 80155 100165 127075 130985 178555 208403 226525 233495 306475 315905 340561 370175 400775 500825 607087 654925 821353 892775 1042015 1074077 1167475 1579525 1702805 3035435 4106765 5210075 5370385 8514025 13963001 15177175 20533825 26851925 69815005 349075025