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732230421 = 31318775139
BaseRepresentation
bin101011101001001…
…111001100010101
31220000211011022020
4223221033030111
52444422333141
6200354123353
724100566366
oct5351171425
91800734266
10732230421
1134636360a
12185280559
13b8915650
146d367b6d
154443c266
hex2ba4f315

732230421 has 8 divisors (see below), whose sum is σ = 1051407840. Its totient is φ = 450603312.

The previous prime is 732230383. The next prime is 732230431. The reversal of 732230421 is 124032237.

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

It is not a de Polignac number, because 732230421 - 27 = 732230293 is a prime.

It is a super-2 number, since 2×7322304212 = 1072322778875674482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 732230391 and 732230400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732230431) 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, 9387531 + ... + 9387608.

It is an arithmetic number, because the mean of its divisors is an integer number (131425980).

Almost surely, 2732230421 is an apocalyptic number.

It is an amenable number.

732230421 is a deficient number, since it is larger than the sum of its proper divisors (319177419).

732230421 is a wasteful number, since it uses less digits than its factorization.

732230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18775155.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 732230421 is about 27059.7564844919. The cubic root of 732230421 is about 901.3274325320.

Adding to 732230421 its reverse (124032237), we get a palindrome (856262658).

The spelling of 732230421 in words is "seven hundred thirty-two million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 13 39 18775139 56325417 244076807 732230421