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1067908990 = 25283377353
BaseRepresentation
bin111111101001101…
…111111101111110
32202102110101201211
4333221233331332
54141341041430
6253544555034
735315035201
oct7751577576
92672411654
101067908990
114a8896915
12259782a7a
13140326015
14a1b87938
1563b4772a
hex3fa6ff7e

1067908990 has 16 divisors (see below), whose sum is σ = 1929033648. Its totient is φ = 425653056.

The previous prime is 1067908979. The next prime is 1067908991. The reversal of 1067908990 is 998097601.

It is a super-2 number, since 2×10679089902 = 2280859221845640200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067908991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185847 + ... + 191506.

It is an arithmetic number, because the mean of its divisors is an integer number (120564603).

Almost surely, 21067908990 is an apocalyptic number.

1067908990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1067908990 is a deficient number, since it is larger than the sum of its proper divisors (861124658).

1067908990 is a wasteful number, since it uses less digits than its factorization.

1067908990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377643.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 1067908990 is about 32678.8768166839. The cubic root of 1067908990 is about 1022.1424243308.

The spelling of 1067908990 in words is "one billion, sixty-seven million, nine hundred eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 283 566 1415 2830 377353 754706 1886765 3773530 106790899 213581798 533954495 1067908990