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1345050040 = 23538387797
BaseRepresentation
bin101000000101011…
…1101010110111000
310110201221121210011
41100022331112320
510223313100130
6341245031304
745221510455
oct12012752670
93421847704
101345050040
11630278004
12316555534
1318587c2c9
14ca8ca82c
157d13d52a
hex502bd5b8

1345050040 has 32 divisors (see below), whose sum is σ = 3034298880. Its totient is φ = 536609152.

The previous prime is 1345050037. The next prime is 1345050101. The reversal of 1345050040 is 400505431.

It is a super-2 number, since 2×13450500402 = 3618319220208003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345049993 and 1345050020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28579 + ... + 59218.

It is an arithmetic number, because the mean of its divisors is an integer number (94821840).

Almost surely, 21345050040 is an apocalyptic number.

1345050040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345050040 is an abundant number, since it is smaller than the sum of its proper divisors (1689248840).

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

1345050040 is a wasteful number, since it uses less digits than its factorization.

1345050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88191 (or 88187 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1345050040 is about 36674.9238581350. The cubic root of 1345050040 is about 1103.8569946218.

Adding to 1345050040 its reverse (400505431), we get a palindrome (1745555471).

The spelling of 1345050040 in words is "one billion, three hundred forty-five million, fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 383 766 1532 1915 3064 3830 7660 15320 87797 175594 351188 438985 702376 877970 1755940 3511880 33626251 67252502 134505004 168131255 269010008 336262510 672525020 1345050040