Search a number
-
+
1031340534 = 237218119381
BaseRepresentation
bin111101011110010…
…000000111110110
32122212122112020120
4331132100013312
54103010344114
6250201112410
734362151500
oct7536200766
92585575216
101031340534
1148a18a454
12249488706
13135891393
149ad88d70
15608225a9
hex3d7901f6

1031340534 has 48 divisors (see below), whose sum is σ = 2412826416. Its totient is φ = 293025600.

The previous prime is 1031340523. The next prime is 1031340559. The reversal of 1031340534 is 4350431301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43524 + ... + 62904.

It is an arithmetic number, because the mean of its divisors is an integer number (50267217).

Almost surely, 21031340534 is an apocalyptic number.

1031340534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031340534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206413208).

1031340534 is an abundant number, since it is smaller than the sum of its proper divisors (1381485882).

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

1031340534 is a wasteful number, since it uses less digits than its factorization.

1031340534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19581 (or 19574 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1031340534 is about 32114.4910281947. The cubic root of 1031340534 is about 1010.3395695126.

Adding to 1031340534 its reverse (4350431301), we get a palindrome (5381771835).

The spelling of 1031340534 in words is "one billion, thirty-one million, three hundred forty thousand, five hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 181 294 362 543 1086 1267 2534 3801 7602 8869 17738 19381 26607 38762 53214 58143 116286 135667 271334 407001 814002 949669 1899338 2849007 3507961 5698014 7015922 10523883 21047766 24555727 49111454 73667181 147334362 171890089 343780178 515670267 1031340534