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1472380109 = 3739794057
BaseRepresentation
bin101011111000010…
…1011110011001101
310210121112122210122
41113300223303031
511003412130414
6402034114325
751326011244
oct12760536315
93717478718
101472380109
11696135a72
1235111b9a5
131a6071745
14dd79395b
15893e0b8e
hex57c2bccd

1472380109 has 4 divisors (see below), whose sum is σ = 1512174204. Its totient is φ = 1432586016.

The previous prime is 1472380087. The next prime is 1472380163. The reversal of 1472380109 is 9010832741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 550043209 + 922336900 = 23453^2 + 30370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472380109 - 212 = 1472376013 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 (1472380009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19896992 + ... + 19897065.

It is an arithmetic number, because the mean of its divisors is an integer number (378043551).

Almost surely, 21472380109 is an apocalyptic number.

It is an amenable number.

1472380109 is a deficient number, since it is larger than the sum of its proper divisors (39794095).

1472380109 is an equidigital number, since it uses as much as digits as its factorization.

1472380109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39794094.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1472380109 is about 38371.6055045915. The cubic root of 1472380109 is about 1137.6446983176.

The spelling of 1472380109 in words is "one billion, four hundred seventy-two million, three hundred eighty thousand, one hundred nine".

Divisors: 1 37 39794057 1472380109