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1340245254 = 23223374209
BaseRepresentation
bin100111111100010…
…1000010100000110
310110101220111212010
41033320220110012
510221100322004
6340554035050
745132616365
oct11770502406
93411814763
101340245254
11628596107
12314a18a86
1318488933a
14c9dd97dc
157c9dea89
hex4fe28506

1340245254 has 8 divisors (see below), whose sum is σ = 2680490520. Its totient is φ = 446748416.

The previous prime is 1340245243. The next prime is 1340245273. The reversal of 1340245254 is 4525420431.

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

1340245254 is an admirable number.

It is a congruent number.

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, 111687099 + ... + 111687110.

It is an arithmetic number, because the mean of its divisors is an integer number (335061315).

Almost surely, 21340245254 is an apocalyptic number.

1340245254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1340245254 is a wasteful number, since it uses less digits than its factorization.

1340245254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223374214.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1340245254 is about 36609.3601965399. The cubic root of 1340245254 is about 1102.5410275712.

Adding to 1340245254 its reverse (4525420431), we get a palindrome (5865665685).

The spelling of 1340245254 in words is "one billion, three hundred forty million, two hundred forty-five thousand, two hundred fifty-four".

Divisors: 1 2 3 6 223374209 446748418 670122627 1340245254