Search a number
-
+
1024407349 = 7146343907
BaseRepresentation
bin111101000011110…
…011011100110101
32122101121021200221
4331003303130311
54044222013344
6245352334341
734246214230
oct7503633465
92571537627
101024407349
11486284449
122470a43b1
131343046c4
149a0a2417
155ee03184
hex3d0f3735

1024407349 has 4 divisors (see below), whose sum is σ = 1170751264. Its totient is φ = 878063436.

The previous prime is 1024407341. The next prime is 1024407353. The reversal of 1024407349 is 9437044201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9437044201 = 13725926477.

It is a cyclic number.

It is not a de Polignac number, because 1024407349 - 23 = 1024407341 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 (1024407341) 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, 73171947 + ... + 73171960.

It is an arithmetic number, because the mean of its divisors is an integer number (292687816).

Almost surely, 21024407349 is an apocalyptic number.

It is an amenable number.

1024407349 is a deficient number, since it is larger than the sum of its proper divisors (146343915).

1024407349 is an equidigital number, since it uses as much as digits as its factorization.

1024407349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146343914.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1024407349 is about 32006.3641952659. The cubic root of 1024407349 is about 1008.0704752129.

The spelling of 1024407349 in words is "one billion, twenty-four million, four hundred seven thousand, three hundred forty-nine".

Divisors: 1 7 146343907 1024407349