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313630625 = 54741119
BaseRepresentation
bin10010101100011…
…001111110100001
3210212011002100002
4102230121332201
51120242140000
651042105345
710525550000
oct2254317641
9725132302
10313630625
11151044370
128904b255
134cc91069
142d920c37
151c8028d5
hex12b19fa1

313630625 has 100 divisors (see below), whose sum is σ = 525019440. Its totient is φ = 185220000.

The previous prime is 313630613. The next prime is 313630631. The reversal of 313630625 is 526036313.

It is a happy number.

It is not a de Polignac number, because 313630625 - 24 = 313630609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 16506866 + ... + 16506884.

Almost surely, 2313630625 is an apocalyptic number.

313630625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313630625 is a deficient number, since it is larger than the sum of its proper divisors (211388815).

313630625 is an frugal number, since it uses more digits than its factorization.

313630625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 313630625 is about 17709.6195611312. The cubic root of 313630625 is about 679.4218160525.

Adding to 313630625 its reverse (526036313), we get a palindrome (839666938).

It can be divided in two parts, 3136 and 30625, that multiplied together give a square (96040000 = 98002).

The spelling of 313630625 in words is "three hundred thirteen million, six hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 7 11 19 25 35 49 55 77 95 125 133 175 209 245 275 343 385 475 539 625 665 875 931 1045 1225 1375 1463 1715 1925 2375 2401 2695 3325 3773 4375 4655 5225 6125 6517 6875 7315 8575 9625 10241 11875 12005 13475 16625 18865 23275 26125 26411 30625 32585 36575 42875 45619 48125 51205 60025 67375 71687 83125 94325 116375 130625 132055 162925 182875 214375 228095 256025 300125 336875 358435 471625 501809 581875 660275 814625 914375 1140475 1280125 1500625 1792175 2358125 2509045 3301375 4073125 5702375 6400625 8960875 12545225 16506875 28511875 44804375 62726125 313630625