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1361707420 = 225122955399
BaseRepresentation
bin101000100101010…
…0000000110011100
310111220021220102011
41101022200012130
510242044114140
6343042041004
745513215323
oct12112400634
93456256364
101361707420
11639714a37
12320049164
13189162148
14ccbc50ba
157e82dcea
hex512a019c

1361707420 has 24 divisors (see below), whose sum is σ = 2861964000. Its totient is φ = 544229952.

The previous prime is 1361707363. The next prime is 1361707423. The reversal of 1361707420 is 247071631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361707423) 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, 3120 + ... + 52279.

It is an arithmetic number, because the mean of its divisors is an integer number (119248500).

Almost surely, 21361707420 is an apocalyptic number.

1361707420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361707420 is an abundant number, since it is smaller than the sum of its proper divisors (1500256580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361707420 is a wasteful number, since it uses less digits than its factorization.

1361707420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56637 (or 56635 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1361707420 is about 36901.3200305897. The cubic root of 1361707420 is about 1108.3951105571.

The spelling of 1361707420 in words is "one billion, three hundred sixty-one million, seven hundred seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1229 2458 4916 6145 12290 24580 55399 110798 221596 276995 553990 1107980 68085371 136170742 272341484 340426855 680853710 1361707420