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1028869776 = 24312112
BaseRepresentation
bin111101010100110…
…100111010010000
32122201000000000000
4331110310322100
54101342313101
6250032130000
734332151224
oct7524647220
92581000000
101028869776
11488852100
12248696900
131352078ac
149a904784
15604d5486
hex3d534e90

1028869776 has 195 divisors, whose sum is σ = 3286694803. Its totient is φ = 311778720.

The previous prime is 1028869769. The next prime is 1028869837. The reversal of 1028869776 is 6779688201.

The square root of 1028869776 is 32076.

It is a perfect power (a square), and thus also a powerful number.

1028869776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 38 ways as a sum of consecutive naturals, for example, 93533611 + ... + 93533621.

Almost surely, 21028869776 is an apocalyptic number.

1028869776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1028869776 is the 32076-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028869776

1028869776 is an abundant number, since it is smaller than the sum of its proper divisors (2257825027).

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

1028869776 is an frugal number, since it uses more digits than its factorization.

1028869776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The cubic root of 1028869776 is about 1009.5321088679.

The spelling of 1028869776 in words is "one billion, twenty-eight million, eight hundred sixty-nine thousand, seven hundred seventy-six".