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34800025 = 5213107077
BaseRepresentation
bin1000010011000…
…0000110011001
32102111000122211
42010300012121
532402100100
63241515121
7601536541
oct204600631
972430584
1034800025
1118709857
12b7a2aa1
137295a40
14489c321
1530c61ba
hex2130199

34800025 has 12 divisors (see below), whose sum is σ = 46471852. Its totient is φ = 25698240.

The previous prime is 34799981. The next prime is 34800043. The reversal of 34800025 is 52000843.

It can be written as a sum of positive squares in 6 ways, for example, as 6635776 + 28164249 = 2576^2 + 5307^2 .

It is not a de Polignac number, because 34800025 - 211 = 34797977 is a prime.

It is a super-2 number, since 2×348000252 = 2422083480001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34799969 and 34800005.

It is a congruent 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, 53214 + ... + 53863.

Almost surely, 234800025 is an apocalyptic number.

It is an amenable number.

34800025 is a deficient number, since it is larger than the sum of its proper divisors (11671827).

34800025 is a wasteful number, since it uses less digits than its factorization.

34800025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107100 (or 107095 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 34800025 is about 5899.1546004491. The cubic root of 34800025 is about 326.4824583865.

Adding to 34800025 its reverse (52000843), we get a palindrome (86800868).

The spelling of 34800025 in words is "thirty-four million, eight hundred thousand, twenty-five".

Divisors: 1 5 13 25 65 325 107077 535385 1392001 2676925 6960005 34800025