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1020028292 = 22255007073
BaseRepresentation
bin111100110011000…
…110010110000100
32122002100210202122
4330303012112010
54042111401132
6245114425112
734164045263
oct7463062604
92562323678
101020028292
11483863398
12245732198
1313343044a
14996825da
155e83a912
hex3ccc6584

1020028292 has 6 divisors (see below), whose sum is σ = 1785049518. Its totient is φ = 510014144.

The previous prime is 1020028279. The next prime is 1020028297. The reversal of 1020028292 is 2928200201.

It can be written as a sum of positive squares in only one way, i.e., 609398596 + 410629696 = 24686^2 + 20264^2 .

It is not an unprimeable number, because it can be changed into a prime (1020028297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127503533 + ... + 127503540.

It is an arithmetic number, because the mean of its divisors is an integer number (297508253).

Almost surely, 21020028292 is an apocalyptic number.

It is an amenable number.

1020028292 is a deficient number, since it is larger than the sum of its proper divisors (765021226).

1020028292 is a wasteful number, since it uses less digits than its factorization.

1020028292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255007077 (or 255007075 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1020028292 is about 31937.8817707123. The cubic root of 1020028292 is about 1006.6320164576.

Adding to 1020028292 its reverse (2928200201), we get a palindrome (3948228493).

The spelling of 1020028292 in words is "one billion, twenty million, twenty-eight thousand, two hundred ninety-two".

Divisors: 1 2 4 255007073 510014146 1020028292