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1020534697 = 713611571171
BaseRepresentation
bin111100110101000…
…001111110101001
32122010022112102101
4330311001332221
54042224102242
6245133333401
734201254550
oct7465017651
92563275371
101020534697
11484079906
12245937261
13133579ab0
1499774d97
155e8da9b7
hex3cd41fa9

1020534697 has 32 divisors (see below), whose sum is σ = 1285862144. Its totient is φ = 788486400.

The previous prime is 1020534689. The next prime is 1020534709. The reversal of 1020534697 is 7964350201.

It is not a de Polignac number, because 1020534697 - 23 = 1020534689 is a prime.

It is a super-3 number, since 3×10205346973 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020534637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870922 + ... + 872092.

It is an arithmetic number, because the mean of its divisors is an integer number (40183192).

Almost surely, 21020534697 is an apocalyptic number.

It is an amenable number.

1020534697 is a deficient number, since it is larger than the sum of its proper divisors (265327447).

1020534697 is a wasteful number, since it uses less digits than its factorization.

1020534697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1020534697 is about 31945.8087548273. The cubic root of 1020534697 is about 1006.7985736516.

Adding to 1020534697 its reverse (7964350201), we get a palindrome (8984884898).

The spelling of 1020534697 in words is "one billion, twenty million, five hundred thirty-four thousand, six hundred ninety-seven".

Divisors: 1 7 13 61 91 157 427 793 1099 1171 2041 5551 8197 9577 14287 15223 67039 71431 106561 124501 183847 500017 871507 928603 1286929 2390011 6500221 11214667 16730077 78502669 145790671 1020534697