Search a number
-
+
1032020345 = 57397103283
BaseRepresentation
bin111101100000110…
…110000101111001
32122220221001202202
4331200312011321
54103144122340
6250223435545
734401012446
oct7540660571
92586831682
101032020345
1148a604184
12249755bb5
13135a6b935
149b0c49cd
1560908c15
hex3d836179

1032020345 has 32 divisors (see below), whose sum is σ = 1285170432. Its totient is φ = 795267072.

The previous prime is 1032020329. The next prime is 1032020347. The reversal of 1032020345 is 5430202301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1032020345 - 24 = 1032020329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1032020347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3646574 + ... + 3646856.

It is an arithmetic number, because the mean of its divisors is an integer number (40161576).

Almost surely, 21032020345 is an apocalyptic number.

It is an amenable number.

1032020345 is a deficient number, since it is larger than the sum of its proper divisors (253150087).

1032020345 is a wasteful number, since it uses less digits than its factorization.

1032020345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1032020345 is about 32125.0734629510. The cubic root of 1032020345 is about 1010.5615101406.

Adding to 1032020345 its reverse (5430202301), we get a palindrome (6462222646).

The spelling of 1032020345 in words is "one billion, thirty-two million, twenty thousand, three hundred forty-five".

Divisors: 1 5 73 97 103 283 365 485 515 1415 7081 7519 9991 20659 27451 29149 35405 37595 49955 103295 137255 145745 729343 2003923 2127877 2827453 3646715 10019615 10639385 14137265 206404069 1032020345