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1381804241 = 19632911491
BaseRepresentation
bin101001001011100…
…1010100011010001
310120022002221001212
41102113022203101
510312220213431
6345040505505
746146066536
oct12227124321
93508087055
101381804241
11649aa0a84
1232691b295
1319037a65c
14d1736d8d
158149d72b
hex525ca8d1

1381804241 has 8 divisors (see below), whose sum is σ = 1454887200. Its totient is φ = 1308756960.

The previous prime is 1381804213. The next prime is 1381804243. The reversal of 1381804241 is 1424081831.

It is a happy number.

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 1381804241 - 210 = 1381803217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1381804198 and 1381804207.

It is not an unprimeable number, because it can be changed into a prime (1381804243) 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, 114506 + ... + 125996.

It is an arithmetic number, because the mean of its divisors is an integer number (181860900).

Almost surely, 21381804241 is an apocalyptic number.

It is an amenable number.

1381804241 is a deficient number, since it is larger than the sum of its proper divisors (73082959).

1381804241 is a wasteful number, since it uses less digits than its factorization.

1381804241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17839.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1381804241 is about 37172.6275772913. The cubic root of 1381804241 is about 1113.8212699712.

The spelling of 1381804241 in words is "one billion, three hundred eighty-one million, eight hundred four thousand, two hundred forty-one".

Divisors: 1 19 6329 11491 120251 218329 72726539 1381804241