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1025220704 = 25283113209
BaseRepresentation
bin111101000110111…
…010000001100000
32122110010121102012
4331012322001200
54044424030304
6245422012052
734256142434
oct7506720140
92573117365
101025220704
1148678a542
12247417028
1313452a991
149a2349c4
156001416e
hex3d1ba060

1025220704 has 24 divisors (see below), whose sum is σ = 2025553320. Its totient is φ = 510794496.

The previous prime is 1025220701. The next prime is 1025220709. The reversal of 1025220704 is 4070225201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025220704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025220701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47549 + ... + 65660.

It is an arithmetic number, because the mean of its divisors is an integer number (84398055).

Almost surely, 21025220704 is an apocalyptic number.

It is an amenable number.

1025220704 is a deficient number, since it is larger than the sum of its proper divisors (1000332616).

1025220704 is a wasteful number, since it uses less digits than its factorization.

1025220704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113502 (or 113494 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1025220704 is about 32019.0678190356. The cubic root of 1025220704 is about 1008.3371992718.

Adding to 1025220704 its reverse (4070225201), we get a palindrome (5095445905).

The spelling of 1025220704 in words is "one billion, twenty-five million, two hundred twenty thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 283 566 1132 2264 4528 9056 113209 226418 452836 905672 1811344 3622688 32038147 64076294 128152588 256305176 512610352 1025220704