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1025381354 = 22343539781
BaseRepresentation
bin111101000111100…
…001001111101010
32122110102202210012
4331013201033222
54044444200404
6245425251522
734260412004
oct7507411752
92573382705
101025381354
1148688a208
12247493ba2
13134585b3a
149a277374
1560046a6e
hex3d1e13ea

1025381354 has 32 divisors (see below), whose sum is σ = 1673426304. Its totient is φ = 469909440.

The previous prime is 1025381351. The next prime is 1025381359. The reversal of 1025381354 is 4531835201.

It is a super-2 number, since 2×10253813542 = 2102813842261746632, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025381354.

It is not an unprimeable number, because it can be changed into a prime (1025381351) 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 15 ways as a sum of consecutive naturals, for example, 99944 + ... + 109724.

It is an arithmetic number, because the mean of its divisors is an integer number (52294572).

Almost surely, 21025381354 is an apocalyptic number.

1025381354 is a deficient number, since it is larger than the sum of its proper divisors (648044950).

1025381354 is a wasteful number, since it uses less digits than its factorization.

1025381354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1025381354 is about 32021.5763821833. The cubic root of 1025381354 is about 1008.3898646508.

The spelling of 1025381354 in words is "one billion, twenty-five million, three hundred eighty-one thousand, three hundred fifty-four".

Divisors: 1 2 23 43 46 53 86 106 989 1219 1978 2279 2438 4558 9781 19562 52417 104834 224963 420583 449926 518393 841166 1036786 9673409 11923039 19346818 22290899 23846078 44581798 512690677 1025381354