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1025001422 = 23161271021
BaseRepresentation
bin111101000110000…
…100011111001110
32122102201110121122
4331012010133032
54044400021142
6245413200542
734254240224
oct7506043716
92572643548
101025001422
1148664a815
12247330152
13134481c23
149a1b8b14
155eebe1d2
hex3d1847ce

1025001422 has 16 divisors (see below), whose sum is σ = 1613122944. Its totient is φ = 487836000.

The previous prime is 1025001407. The next prime is 1025001457. The reversal of 1025001422 is 2241005201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025001422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131729 + ... + 139292.

It is an arithmetic number, because the mean of its divisors is an integer number (100820184).

Almost surely, 21025001422 is an apocalyptic number.

1025001422 is a deficient number, since it is larger than the sum of its proper divisors (588121522).

1025001422 is a wasteful number, since it uses less digits than its factorization.

1025001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271115.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1025001422 is about 32015.6433950655. The cubic root of 1025001422 is about 1008.2653038698.

Adding to 1025001422 its reverse (2241005201), we get a palindrome (3266006623).

The spelling of 1025001422 in words is "one billion, twenty-five million, one thousand, four hundred twenty-two".

Divisors: 1 2 31 61 62 122 1891 3782 271021 542042 8401651 16532281 16803302 33064562 512500711 1025001422