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1064052990 = 23357111331127
BaseRepresentation
bin111111011011000…
…010100011111110
32202011012111022000
4333123002203332
54134344143430
6253330203130
735240205210
oct7733024376
92664174260
101064052990
114a66a2840
122584234a6
1313c5a5b70
14a14625b0
1563634e60
hex3f6c28fe

1064052990 has 512 divisors, whose sum is σ = 3963617280. Its totient is φ = 195955200.

The previous prime is 1064052973. The next prime is 1064053091. The reversal of 1064052990 is 992504601.

1064052990 is a `hidden beast` number, since 1 + 0 + 6 + 40 + 529 + 90 = 666.

It is a super-2 number, since 2×10640529902 = 2264417531055880200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8378307 + ... + 8378433.

It is an arithmetic number, because the mean of its divisors is an integer number (7741440).

Almost surely, 21064052990 is an apocalyptic number.

1064052990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064052990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981808640).

1064052990 is an abundant number, since it is smaller than the sum of its proper divisors (2899564290).

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

1064052990 is a wasteful number, since it uses less digits than its factorization.

1064052990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1064052990 is about 32619.8251068273. The cubic root of 1064052990 is about 1020.9106918506.

The spelling of 1064052990 in words is "one billion, sixty-four million, fifty-two thousand, nine hundred ninety".