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1054411989 = 3907387509
BaseRepresentation
bin111110110110010…
…000110011010101
32201111001200022220
4332312100303111
54124412140424
6252343412553
735062232301
oct7666206325
92644050286
101054411989
114a1208374
12255154159
1313a5ab827
14a0072d01
156287d579
hex3ed90cd5

1054411989 has 8 divisors (see below), whose sum is σ = 1407436320. Its totient is φ = 702164496.

The previous prime is 1054411937. The next prime is 1054411993. The reversal of 1054411989 is 9891144501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054411989 - 219 = 1053887701 is a prime.

It is a super-2 number, since 2×10544119892 = 2223569285093872242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054411989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054411999) 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 7 ways as a sum of consecutive naturals, for example, 191034 + ... + 196475.

It is an arithmetic number, because the mean of its divisors is an integer number (175929540).

Almost surely, 21054411989 is an apocalyptic number.

It is an amenable number.

1054411989 is a deficient number, since it is larger than the sum of its proper divisors (353024331).

1054411989 is an equidigital number, since it uses as much as digits as its factorization.

1054411989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388419.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 1054411989 is about 32471.7105955322. The cubic root of 1054411989 is about 1017.8179642035.

The spelling of 1054411989 in words is "one billion, fifty-four million, four hundred eleven thousand, nine hundred eighty-nine".

Divisors: 1 3 907 2721 387509 1162527 351470663 1054411989