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1020152241 = 32397285517
BaseRepresentation
bin111100110011100…
…100100110110001
32122002121002210100
4330303210212301
54042124332431
6245121223013
734165102533
oct7463444661
92562532710
101020152241
11483938529
12245791a69
131334749a4
14996b5853
155e8624e6
hex3cce49b1

1020152241 has 12 divisors (see below), whose sum is σ = 1477270132. Its totient is φ = 678386016.

The previous prime is 1020152233. The next prime is 1020152257. The reversal of 1020152241 is 1422510201.

1020152241 is a `hidden beast` number, since 102 + 0 + 1 + 522 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 905769216 + 114383025 = 30096^2 + 10695^2 .

It is not a de Polignac number, because 1020152241 - 23 = 1020152233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020112241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139186 + ... + 146331.

Almost surely, 21020152241 is an apocalyptic number.

It is an amenable number.

1020152241 is a deficient number, since it is larger than the sum of its proper divisors (457117891).

1020152241 is a wasteful number, since it uses less digits than its factorization.

1020152241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285920 (or 285917 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1020152241 is about 31939.8221817217. The cubic root of 1020152241 is about 1006.6727885222.

Adding to 1020152241 its reverse (1422510201), we get a palindrome (2442662442).

The spelling of 1020152241 in words is "one billion, twenty million, one hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 3 9 397 1191 3573 285517 856551 2569653 113350249 340050747 1020152241