Search a number
-
+
1340515552 = 25172464183
BaseRepresentation
bin100111111100110…
…1010010011100000
310110102102020122011
41033321222103200
510221132444202
6341003522304
745135123415
oct11771522340
93412366564
101340515552
116287601a2
12314b29394
1318495238c
14ca06a10c
157ca44bd7
hex4fe6a4e0

1340515552 has 24 divisors (see below), whose sum is σ = 2794384656. Its totient is φ = 630830592.

The previous prime is 1340515543. The next prime is 1340515559. The reversal of 1340515552 is 2555150431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340515559) 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, 1231548 + ... + 1232635.

It is an arithmetic number, because the mean of its divisors is an integer number (116432694).

Almost surely, 21340515552 is an apocalyptic number.

It is an amenable number.

1340515552 is an abundant number, since it is smaller than the sum of its proper divisors (1453869104).

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

1340515552 is a wasteful number, since it uses less digits than its factorization.

1340515552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464210 (or 2464202 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1340515552 is about 36613.0516619415. The cubic root of 1340515552 is about 1102.6151420169.

Adding to 1340515552 its reverse (2555150431), we get a palindrome (3895665983).

The spelling of 1340515552 in words is "one billion, three hundred forty million, five hundred fifteen thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 2464183 4928366 9856732 19713464 39426928 41891111 78853856 83782222 167564444 335128888 670257776 1340515552