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1340021410 = 257131472551
BaseRepresentation
bin100111111011111…
…0001101010100010
310110101111010210121
41033313301222202
510221021141120
6340545150454
745130664650
oct11767615242
93411433717
101340021410
11628452a12
1231492b42a
1318480b4a0
14c9d7bdd0
157c9985aa
hex4fdf1aa2

1340021410 has 32 divisors (see below), whose sum is σ = 2968664832. Its totient is φ = 424094400.

The previous prime is 1340021381. The next prime is 1340021467. The reversal of 1340021410 is 141200431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735366 + ... + 737185.

It is an arithmetic number, because the mean of its divisors is an integer number (92770776).

Almost surely, 21340021410 is an apocalyptic number.

1340021410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340021410 is an abundant number, since it is smaller than the sum of its proper divisors (1628643422).

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

1340021410 is a wasteful number, since it uses less digits than its factorization.

1340021410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472578.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1340021410 is about 36606.3028725929. The cubic root of 1340021410 is about 1102.4796430512.

Adding to 1340021410 its reverse (141200431), we get a palindrome (1481221841).

It can be divided in two parts, 1340021 and 410, that added together give a palindrome (1340431).

The spelling of 1340021410 in words is "one billion, three hundred forty million, twenty-one thousand, four hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 1472551 2945102 7362755 10307857 14725510 19143163 20615714 38286326 51539285 95715815 103078570 134002141 191431630 268004282 670010705 1340021410