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361365421 = 3743227131
BaseRepresentation
bin10101100010011…
…111111110101101
3221011222021011111
4111202133332231
51220002143141
655505152021
711645361334
oct2542377655
9834867144
10361365421
11175a8820a
12a102b611
1359b353c1
1435dc8d1b
1521ad1381
hex1589ffad

361365421 has 8 divisors (see below), whose sum is σ = 379764704. Its totient is φ = 343420560.

The previous prime is 361365377. The next prime is 361365439. The reversal of 361365421 is 124563163.

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 361365421 - 29 = 361364909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361360421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111975 + ... + 115156.

It is an arithmetic number, because the mean of its divisors is an integer number (47470588).

Almost surely, 2361365421 is an apocalyptic number.

It is an amenable number.

361365421 is a deficient number, since it is larger than the sum of its proper divisors (18399283).

361365421 is a wasteful number, since it uses less digits than its factorization.

361365421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227211.

The product of its digits is 12960, while the sum is 31.

The square root of 361365421 is about 19009.6139098089. The cubic root of 361365421 is about 712.2769071111.

The spelling of 361365421 in words is "three hundred sixty-one million, three hundred sixty-five thousand, four hundred twenty-one".

Divisors: 1 37 43 1591 227131 8403847 9766633 361365421