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245523434 = 21319497011
BaseRepresentation
bin11101010001001…
…10001111101010
3122002222212211112
432220212033222
51000323222214
640210230322
76040625522
oct1650461752
9562885745
10245523434
11116656432
126a2853a2
133bb35c50
1424872682
151684ca3e
hexea263ea

245523434 has 16 divisors (see below), whose sum is σ = 417490080. Its totient is φ = 107354160.

The previous prime is 245523409. The next prime is 245523437. The reversal of 245523434 is 434325542.

It is a self number, because there is not a number n which added to its sum of digits gives 245523434.

It is not an unprimeable number, because it can be changed into a prime (245523437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248012 + ... + 248999.

It is an arithmetic number, because the mean of its divisors is an integer number (26093130).

Almost surely, 2245523434 is an apocalyptic number.

245523434 is a deficient number, since it is larger than the sum of its proper divisors (171966646).

245523434 is a wasteful number, since it uses less digits than its factorization.

245523434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497045.

The product of its digits is 57600, while the sum is 32.

The square root of 245523434 is about 15669.1874071376. The cubic root of 245523434 is about 626.1777761685.

Adding to 245523434 its reverse (434325542), we get a palindrome (679848976).

The spelling of 245523434 in words is "two hundred forty-five million, five hundred twenty-three thousand, four hundred thirty-four".

Divisors: 1 2 13 19 26 38 247 494 497011 994022 6461143 9443209 12922286 18886418 122761717 245523434