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1025130522 = 231319691721
BaseRepresentation
bin111101000110100…
…100000000011010
32122102222000201010
4331012210000122
54044413134042
6245420034350
734255315503
oct7506440032
92572860633
101025130522
11486728809
122473929b6
131344c8910
149a20dbaa
155eee759c
hex3d1a401a

1025130522 has 32 divisors (see below), whose sum is σ = 2324185920. Its totient is φ = 298823040.

The previous prime is 1025130521. The next prime is 1025130551. The reversal of 1025130522 is 2250315201.

It is not an unprimeable number, because it can be changed into a prime (1025130521) 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, 344379 + ... + 347342.

It is an arithmetic number, because the mean of its divisors is an integer number (72630810).

Almost surely, 21025130522 is an apocalyptic number.

1025130522 is an abundant number, since it is smaller than the sum of its proper divisors (1299055398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025130522 is a wasteful number, since it uses less digits than its factorization.

1025130522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691758.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1025130522 is about 32017.6595334512. The cubic root of 1025130522 is about 1008.3076327822.

Adding to 1025130522 its reverse (2250315201), we get a palindrome (3275445723).

The spelling of 1025130522 in words is "one billion, twenty-five million, one hundred thirty thousand, five hundred twenty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 691721 1383442 2075163 4150326 8992373 13142699 17984746 26285398 26977119 39428097 53954238 78856194 170855087 341710174 512565261 1025130522