Search a number
-
+
1032101440 = 2657145427
BaseRepresentation
bin111101100001001…
…001111001000000
32122221002012000021
4331201021321000
54103204221230
6250225303224
734401501046
oct7541117100
92587065007
101032101440
1148a65a0a7
12249794b14
13135a99816
149b106396
1560922c7a
hex3d849e40

1032101440 has 56 divisors (see below), whose sum is σ = 2492361792. Its totient is φ = 407016960.

The previous prime is 1032101429. The next prime is 1032101443. The reversal of 1032101440 is 441012301.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1032101443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7 + ... + 45433.

Almost surely, 21032101440 is an apocalyptic number.

1032101440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1032101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246180896).

1032101440 is an abundant number, since it is smaller than the sum of its proper divisors (1460260352).

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

1032101440 is an equidigital number, since it uses as much as digits as its factorization.

1032101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45515 (or 45505 counting only the distinct ones).

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

The square root of 1032101440 is about 32126.3356142589. The cubic root of 1032101440 is about 1010.5879790436.

Adding to 1032101440 its reverse (441012301), we get a palindrome (1473113741).

The spelling of 1032101440 in words is "one billion, thirty-two million, one hundred one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 71 80 142 160 284 320 355 568 710 1136 1420 2272 2840 4544 5680 11360 22720 45427 90854 181708 227135 363416 454270 726832 908540 1453664 1817080 2907328 3225317 3634160 6450634 7268320 12901268 14536640 16126585 25802536 32253170 51605072 64506340 103210144 129012680 206420288 258025360 516050720 1032101440