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52232561 = 1512811231
BaseRepresentation
bin1100011101000…
…0000101110001
310122021200121022
43013100011301
5101332420221
65103305225
71202653343
oct307200561
9118250538
1052232561
1127536107
12155ab215
13aa8a654
146d19293
1548bb4ab
hex31d0171

52232561 has 8 divisors (see below), whose sum is σ = 52808448. Its totient is φ = 51660000.

The previous prime is 52232527. The next prime is 52232591. The reversal of 52232561 is 16523225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52232561 - 26 = 52232497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52232561.

It is not an unprimeable number, because it can be changed into a prime (52232591) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41816 + ... + 43046.

It is an arithmetic number, because the mean of its divisors is an integer number (6601056).

Almost surely, 252232561 is an apocalyptic number.

It is an amenable number.

52232561 is a deficient number, since it is larger than the sum of its proper divisors (575887).

52232561 is a wasteful number, since it uses less digits than its factorization.

52232561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its digits is 3600, while the sum is 26.

The square root of 52232561 is about 7227.2097658778. The cubic root of 52232561 is about 373.8067218901.

Adding to 52232561 its reverse (16523225), we get a palindrome (68755786).

The spelling of 52232561 in words is "fifty-two million, two hundred thirty-two thousand, five hundred sixty-one".

Divisors: 1 151 281 1231 42431 185881 345911 52232561