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1350452440 = 235120128111
BaseRepresentation
bin101000001111110…
…0100010011011000
310111010010002111001
41100133210103120
510231203434230
6342000514344
745315441061
oct12037442330
93433102431
101350452440
116333279a7
1231831b9b4
13186a212ac
14cb4d5568
157d8590ca
hex507e44d8

1350452440 has 32 divisors (see below), whose sum is σ = 3041156160. Its totient is φ = 539712000.

The previous prime is 1350452437. The next prime is 1350452449. The reversal of 1350452440 is 442540531.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1350452399 and 1350452408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350452449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33985 + ... + 62095.

It is an arithmetic number, because the mean of its divisors is an integer number (95036130).

Almost surely, 21350452440 is an apocalyptic number.

1350452440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350452440 is an abundant number, since it is smaller than the sum of its proper divisors (1690703720).

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

1350452440 is a wasteful number, since it uses less digits than its factorization.

1350452440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29323 (or 29319 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1350452440 is about 36748.5025545259. The cubic root of 1350452440 is about 1105.3329027063.

Adding to 1350452440 its reverse (442540531), we get a palindrome (1792992971).

The spelling of 1350452440 in words is "one billion, three hundred fifty million, four hundred fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1201 2402 4804 6005 9608 12010 24020 28111 48040 56222 112444 140555 224888 281110 562220 1124440 33761311 67522622 135045244 168806555 270090488 337613110 675226220 1350452440