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1340225224 = 231312886781
BaseRepresentation
bin100111111100010…
…0011011011001000
310110101212111101021
41033320203123020
510221044201344
6340553402224
745132504112
oct11770433310
93411774337
101340225224
11628582058
12314a09374
131848801a0
14c9dd23b2
157c9d8b84
hex4fe236c8

1340225224 has 16 divisors (see below), whose sum is σ = 2706224220. Its totient is φ = 618565440.

The previous prime is 1340225213. The next prime is 1340225231. The reversal of 1340225224 is 4225220431.

It can be written as a sum of positive squares in 2 ways, for example, as 1338828100 + 1397124 = 36590^2 + 1182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6443287 + ... + 6443494.

Almost surely, 21340225224 is an apocalyptic number.

It is an amenable number.

1340225224 is an abundant number, since it is smaller than the sum of its proper divisors (1365998996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340225224 is a wasteful number, since it uses less digits than its factorization.

1340225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12886800 (or 12886796 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1340225224 is about 36609.0866316001. The cubic root of 1340225224 is about 1102.5355350424.

Adding to 1340225224 its reverse (4225220431), we get a palindrome (5565445655).

The spelling of 1340225224 in words is "one billion, three hundred forty million, two hundred twenty-five thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 12886781 25773562 51547124 103094248 167528153 335056306 670112612 1340225224