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1230381415 = 5598141143
BaseRepresentation
bin100100101010110…
…0010000101100111
310011202011212000001
41021111202011213
510004434201130
6322031202131
742330032554
oct11125420547
93152155001
101230381415
1158157784a
122a4076347
13167ba0c53
14b959ba2b
157303c6ca
hex49562167

1230381415 has 8 divisors (see below), whose sum is σ = 1476740448. Its totient is φ = 984116640.

The previous prime is 1230381401. The next prime is 1230381419. The reversal of 1230381415 is 5141830321.

It is a happy number.

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

It is not a de Polignac number, because 1230381415 - 29 = 1230380903 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 (1230381419) 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, 9334 + ... + 50476.

It is an arithmetic number, because the mean of its divisors is an integer number (184592556).

Almost surely, 21230381415 is an apocalyptic number.

1230381415 is a deficient number, since it is larger than the sum of its proper divisors (246359033).

1230381415 is an equidigital number, since it uses as much as digits as its factorization.

1230381415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47129.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1230381415 is about 35076.7931116857. The cubic root of 1230381415 is about 1071.5520072349.

The spelling of 1230381415 in words is "one billion, two hundred thirty million, three hundred eighty-one thousand, four hundred fifteen".

Divisors: 1 5 5981 29905 41143 205715 246076283 1230381415