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1073680992 = 25325716529
BaseRepresentation
bin111111111111110…
…001001001100000
32202211022122102200
4333333301021200
54144330242432
6254312413200
735415065166
oct7777611140
92684278380
101073680992
1150107946a
1225b6a7200
131415972c7
14a284b236
15643d7a7c
hex3fff1260

1073680992 has 72 divisors (see below), whose sum is σ = 3059096040. Its totient is φ = 357212160.

The previous prime is 1073680969. The next prime is 1073681003. The reversal of 1073680992 is 2990863701.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161184 + ... + 167712.

It is an arithmetic number, because the mean of its divisors is an integer number (42487445).

Almost surely, 21073680992 is an apocalyptic number.

1073680992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1073680992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529548020).

1073680992 is an abundant number, since it is smaller than the sum of its proper divisors (1985415048).

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

1073680992 is a wasteful number, since it uses less digits than its factorization.

1073680992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116 (or 7105 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1073680992 is about 32767.0717641964. The cubic root of 1073680992 is about 1023.9806616628.

The spelling of 1073680992 in words is "one billion, seventy-three million, six hundred eighty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 571 1142 1713 2284 3426 4568 5139 6529 6852 9136 10278 13058 13704 18272 19587 20556 26116 27408 39174 41112 52232 54816 58761 78348 82224 104464 117522 156696 164448 208928 235044 313392 470088 626784 940176 1880352 3728059 7456118 11184177 14912236 22368354 29824472 33552531 44736708 59648944 67105062 89473416 119297888 134210124 178946832 268420248 357893664 536840496 1073680992