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53212461 = 331572177
BaseRepresentation
bin1100101011111…
…1010100101101
310201010110202220
43022333110231
5102110244321
65140305553
71214204241
oct312772455
9121113686
1053212461
1128045345
12159a22b9
13b041683
1470d2421
154a119c6
hex32bf52d

53212461 has 8 divisors (see below), whose sum is σ = 73238784. Its totient is φ = 34330560.

The previous prime is 53212459. The next prime is 53212463. The reversal of 53212461 is 16421235.

It is an interprime number because it is at equal distance from previous prime (53212459) and next prime (53212463).

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

It is not a de Polignac number, because 53212461 - 21 = 53212459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212463) 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, 285996 + ... + 286181.

It is an arithmetic number, because the mean of its divisors is an integer number (9154848).

Almost surely, 253212461 is an apocalyptic number.

It is an amenable number.

53212461 is a deficient number, since it is larger than the sum of its proper divisors (20026323).

53212461 is a wasteful number, since it uses less digits than its factorization.

53212461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572211.

The product of its digits is 1440, while the sum is 24.

The square root of 53212461 is about 7294.6871762948. The cubic root of 53212461 is about 376.1298334075.

Adding to 53212461 its reverse (16421235), we get a palindrome (69633696).

The spelling of 53212461 in words is "fifty-three million, two hundred twelve thousand, four hundred sixty-one".

Divisors: 1 3 31 93 572177 1716531 17737487 53212461