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263214425 = 5215767061
BaseRepresentation
bin11111011000001…
…01010101011001
3200100021200022102
433230011111121
51014340330200
642041333145
76344166665
oct1754052531
9610250272
10263214425
11125639991
12741971b5
13426bb3a6
1426d598a5
15181946d5
hexfb05559

263214425 has 12 divisors (see below), whose sum is σ = 328469676. Its totient is φ = 209227200.

The previous prime is 263214409. The next prime is 263214439. The reversal of 263214425 is 524412362.

It can be written as a sum of positive squares in 6 ways, for example, as 28174864 + 235039561 = 5308^2 + 15331^2 .

It is not a de Polignac number, because 263214425 - 24 = 263214409 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, 29606 + ... + 37455.

It is an arithmetic number, because the mean of its divisors is an integer number (27372473).

Almost surely, 2263214425 is an apocalyptic number.

263214425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263214425 is a deficient number, since it is larger than the sum of its proper divisors (65255251).

263214425 is a wasteful number, since it uses less digits than its factorization.

263214425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67228 (or 67223 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 263214425 is about 16223.8843992430. The cubic root of 263214425 is about 640.8699310904.

Adding to 263214425 its reverse (524412362), we get a palindrome (787626787).

The spelling of 263214425 in words is "two hundred sixty-three million, two hundred fourteen thousand, four hundred twenty-five".

Divisors: 1 5 25 157 785 3925 67061 335305 1676525 10528577 52642885 263214425