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429120925 = 5217164837
BaseRepresentation
bin11001100100111…
…101110110011101
31002220110121020121
4121210331312131
51334323332200
6110325314541
713430316262
oct3144756635
91086417217
10429120925
112002559a2
12bb865a51
136ab9940c
1440dc5269
1527a16e1a
hex1993dd9d

429120925 has 6 divisors (see below), whose sum is σ = 532109978. Its totient is φ = 343296720.

The previous prime is 429120911. The next prime is 429120943. The reversal of 429120925 is 529021924.

It can be written as a sum of positive squares in 3 ways, for example, as 2244004 + 426876921 = 1498^2 + 20661^2 .

It is not a de Polignac number, because 429120925 - 217 = 428989853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8582394 + ... + 8582443.

Almost surely, 2429120925 is an apocalyptic number.

It is an amenable number.

429120925 is a deficient number, since it is larger than the sum of its proper divisors (102989053).

429120925 is a wasteful number, since it uses less digits than its factorization.

429120925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17164847 (or 17164842 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 429120925 is about 20715.2341285345. The cubic root of 429120925 is about 754.2695301768.

Subtracting 429120925 from its reverse (529021924), we obtain a palindrome (99900999).

The spelling of 429120925 in words is "four hundred twenty-nine million, one hundred twenty thousand, nine hundred twenty-five".

Divisors: 1 5 25 17164837 85824185 429120925