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361884421 = 31113103307
BaseRepresentation
bin10101100100011…
…110101100000101
3221012221122002201
4111210132230011
51220120300141
655524234501
711652652423
oct2544365405
9835848081
10361884421
11176302138
12a123ba31
1359c876c2
14360c2113
1521b85031
hex1591eb05

361884421 has 8 divisors (see below), whose sum is σ = 376867584. Its totient is φ = 347108160.

The previous prime is 361884407. The next prime is 361884451. The reversal of 361884421 is 124488163.

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 361884421 - 27 = 361884293 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 (361884401) 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, 48151 + ... + 55156.

It is an arithmetic number, because the mean of its divisors is an integer number (47108448).

Almost surely, 2361884421 is an apocalyptic number.

361884421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

361884421 is a deficient number, since it is larger than the sum of its proper divisors (14983163).

361884421 is a wasteful number, since it uses less digits than its factorization.

361884421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103451.

The product of its digits is 36864, while the sum is 37.

The square root of 361884421 is about 19023.2599992746. The cubic root of 361884421 is about 712.6177392788.

The spelling of 361884421 in words is "three hundred sixty-one million, eight hundred eighty-four thousand, four hundred twenty-one".

Divisors: 1 31 113 3503 103307 3202517 11673691 361884421