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1020033245 = 57211478053
BaseRepresentation
bin111100110011000…
…111100011011101
32122002101001120002
4330303013203131
54042112030440
6245114504045
734164065600
oct7463074335
92562331502
101020033245
11483867090
12245735025
1313343278a
1499684337
155e83c115
hex3ccc78dd

1020033245 has 48 divisors (see below), whose sum is σ = 1586573568. Its totient is φ = 622258560.

The previous prime is 1020033193. The next prime is 1020033263. The reversal of 1020033245 is 5423300201.

It is a happy number.

It is not a de Polignac number, because 1020033245 - 28 = 1020032989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122639 + ... + 130691.

It is an arithmetic number, because the mean of its divisors is an integer number (33053616).

Almost surely, 21020033245 is an apocalyptic number.

It is an amenable number.

1020033245 is a deficient number, since it is larger than the sum of its proper divisors (566540323).

1020033245 is a wasteful number, since it uses less digits than its factorization.

1020033245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8123 counting only the distinct ones).

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

The square root of 1020033245 is about 31937.9593117657. The cubic root of 1020033245 is about 1006.6336457720.

Adding to 1020033245 its reverse (5423300201), we get a palindrome (6443333446).

The spelling of 1020033245 in words is "one billion, twenty million, thirty-three thousand, two hundred forty-five".

Divisors: 1 5 7 11 35 47 49 55 77 235 245 329 385 517 539 1645 2303 2585 2695 3619 8053 11515 18095 25333 40265 56371 88583 126665 281855 378491 394597 442915 620081 1892455 1972985 2649437 3100405 4163401 4340567 13247185 18546059 20817005 21702835 29143807 92730295 145719035 204006649 1020033245