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505425207 = 372310131033
BaseRepresentation
bin11110001000000…
…010110100110111
31022020001021001010
4132020002310313
52013342101312
6122053003303
715345020610
oct3610026467
91266037033
10505425207
1123a332491
12121323533
1380934591
144b1a8c07
152e58a93c
hex1e202d37

505425207 has 32 divisors (see below), whose sum is σ = 805229568. Its totient is φ = 275717376.

The previous prime is 505425203. The next prime is 505425301. The reversal of 505425207 is 702524505.

It is not a de Polignac number, because 505425207 - 22 = 505425203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505425203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488763 + ... + 489795.

It is an arithmetic number, because the mean of its divisors is an integer number (25163424).

Almost surely, 2505425207 is an apocalyptic number.

505425207 is a deficient number, since it is larger than the sum of its proper divisors (299804361).

505425207 is a wasteful number, since it uses less digits than its factorization.

505425207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 505425207 is about 22481.6637951910. The cubic root of 505425207 is about 796.5608652721.

The spelling of 505425207 in words is "five hundred five million, four hundred twenty-five thousand, two hundred seven".

Divisors: 1 3 7 21 23 69 161 483 1013 1033 3039 3099 7091 7231 21273 21693 23299 23759 69897 71277 163093 166313 489279 498939 1046429 3139287 7325003 21975009 24067867 72203601 168475069 505425207