Search a number
-
+
1345442210 = 257471014049
BaseRepresentation
bin101000000110001…
…1101000110100010
310110202200112201222
41100030131012202
510223413122320
6341301255042
745225033020
oct12014350642
93422615658
101345442210
11630515712
12316704482
13185988968
14ca98d710
157d1b9825
hex5031d1a2

1345442210 has 64 divisors (see below), whose sum is σ = 2855347200. Its totient is φ = 446899200.

The previous prime is 1345442207. The next prime is 1345442221. The reversal of 1345442210 is 122445431.

1345442210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345442210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330266 + ... + 334314.

It is an arithmetic number, because the mean of its divisors is an integer number (44614800).

Almost surely, 21345442210 is an apocalyptic number.

1345442210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345442210 is an abundant number, since it is smaller than the sum of its proper divisors (1509904990).

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

1345442210 is a wasteful number, since it uses less digits than its factorization.

1345442210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1345442210 is about 36680.2700371739. The cubic root of 1345442210 is about 1103.9642663511.

Adding to 1345442210 its reverse (122445431), we get a palindrome (1467887641).

The spelling of 1345442210 in words is "one billion, three hundred forty-five million, four hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 47 70 94 101 202 235 329 470 505 658 707 1010 1414 1645 3290 3535 4049 4747 7070 8098 9494 20245 23735 28343 33229 40490 47470 56686 66458 141715 166145 190303 283430 332290 380606 408949 817898 951515 1332121 1903030 2044745 2664242 2862643 4089490 5725286 6660605 13321210 14313215 19220603 28626430 38441206 96103015 134544221 192206030 269088442 672721105 1345442210