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434909725 = 52171023317
BaseRepresentation
bin11001111011000…
…011001000011101
31010022100200222121
4121323003020131
51342314102400
6111053342541
713530446245
oct3173031035
91108320877
10434909725
1120354a128
12101797a51
136c145243
1441a90b25
15282ac21a
hex19ec321d

434909725 has 12 divisors (see below), whose sum is σ = 571011444. Its totient is φ = 327461120.

The previous prime is 434909641. The next prime is 434909731. The reversal of 434909725 is 527909434.

It can be written as a sum of positive squares in 6 ways, for example, as 27394756 + 407514969 = 5234^2 + 20187^2 .

It is not a de Polignac number, because 434909725 - 27 = 434909597 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 11 ways as a sum of consecutive naturals, for example, 511234 + ... + 512083.

It is an arithmetic number, because the mean of its divisors is an integer number (47584287).

Almost surely, 2434909725 is an apocalyptic number.

It is an amenable number.

434909725 is a deficient number, since it is larger than the sum of its proper divisors (136101719).

434909725 is a wasteful number, since it uses less digits than its factorization.

434909725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023344 (or 1023339 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 434909725 is about 20854.4893248432. The cubic root of 434909725 is about 757.6460668050.

The spelling of 434909725 in words is "four hundred thirty-four million, nine hundred nine thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 85 425 1023317 5116585 17396389 25582925 86981945 434909725