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51435344 = 2416131993
BaseRepresentation
bin1100010000110…
…1011101010000
310120210012000202
43010031131100
5101131412334
65034234332
71163123162
oct304153520
9116705022
1051435344
1127041154
12152859a8
13a86b81c
146b8c932
1547b017e
hex310d750

51435344 has 20 divisors (see below), whose sum is σ = 99767796. Its totient is φ = 25688832.

The previous prime is 51435301. The next prime is 51435367. The reversal of 51435344 is 44353415.

It can be written as a sum of positive squares in 2 ways, for example, as 34951744 + 16483600 = 5912^2 + 4060^2 .

It is a super-2 number, since 2×514353442 = 5291189224796672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24812 + ... + 26804.

Almost surely, 251435344 is an apocalyptic number.

It is an amenable number.

51435344 is a deficient number, since it is larger than the sum of its proper divisors (48332452).

51435344 is a wasteful number, since it uses less digits than its factorization.

51435344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3608 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 51435344 is about 7171.8438354443. The cubic root of 51435344 is about 371.8951799326.

Adding to 51435344 its reverse (44353415), we get a palindrome (95788759).

The spelling of 51435344 in words is "fifty-one million, four hundred thirty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 1613 1993 3226 3986 6452 7972 12904 15944 25808 31888 3214709 6429418 12858836 25717672 51435344