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1020620041 = 71783103333
BaseRepresentation
bin111100110101010…
…110110100001001
32122010110212111021
4330311112310021
54042234320131
6245135232441
734202061430
oct7465266411
92563425437
101020620041
11484127a41
12245978721
131335a98ac
1499798117
155e905e11
hex3cd56d09

1020620041 has 16 divisors (see below), whose sum is σ = 1249928064. Its totient is φ = 813429504.

The previous prime is 1020619969. The next prime is 1020620053. The reversal of 1020620041 is 1400260201.

It is a cyclic number.

It is not a de Polignac number, because 1020620041 - 29 = 1020619529 is a prime.

It is a super-3 number, since 3×10206200413 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020619997 and 1020620024.

It is not an unprimeable number, because it can be changed into a prime (1020620141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41790 + ... + 61543.

It is an arithmetic number, because the mean of its divisors is an integer number (78120504).

Almost surely, 21020620041 is an apocalyptic number.

It is an amenable number.

1020620041 is a deficient number, since it is larger than the sum of its proper divisors (229308023).

1020620041 is a wasteful number, since it uses less digits than its factorization.

1020620041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103440.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1020620041 is about 31947.1444889837. The cubic root of 1020620041 is about 1006.8266379668.

Adding to 1020620041 its reverse (1400260201), we get a palindrome (2420880242).

The spelling of 1020620041 in words is "one billion, twenty million, six hundred twenty thousand, forty-one".

Divisors: 1 7 17 83 119 581 1411 9877 103333 723331 1756661 8576639 12296627 60036473 145802863 1020620041