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1407620413 = 9041155693
BaseRepresentation
bin101001111100110…
…1001010100111101
310122002200112012101
41103321221110331
510340322323123
6351402105101
746611401413
oct12371512475
93562615171
101407620413
11662624061
123334ab191
131958191b4
14d4d372b3
158389caad
hex53e6953d

1407620413 has 4 divisors (see below), whose sum is σ = 1407785148. Its totient is φ = 1407455680.

The previous prime is 1407620387. The next prime is 1407620419. The reversal of 1407620413 is 3140267041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3140267041 = 16011961441.

It can be written as a sum of positive squares in 2 ways, for example, as 1139872644 + 267747769 = 33762^2 + 16363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1407620413 - 29 = 1407619901 is a prime.

It is a super-3 number, since 3×14076204133 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407620419) 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, 68806 + ... + 86887.

It is an arithmetic number, because the mean of its divisors is an integer number (351946287).

Almost surely, 21407620413 is an apocalyptic number.

It is an amenable number.

1407620413 is a deficient number, since it is larger than the sum of its proper divisors (164735).

1407620413 is an equidigital number, since it uses as much as digits as its factorization.

1407620413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164734.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1407620413 is about 37518.2677238702. The cubic root of 1407620413 is about 1120.7150018361.

Adding to 1407620413 its reverse (3140267041), we get a palindrome (4547887454).

The spelling of 1407620413 in words is "one billion, four hundred seven million, six hundred twenty thousand, four hundred thirteen".

Divisors: 1 9041 155693 1407620413