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1064473990 = 25106447399
BaseRepresentation
bin111111011100101…
…001010110000110
32202011222212210121
4333130221112012
54140001131430
6253343212154
735243610466
oct7734512606
92664885717
101064473990
114a6960078
122585a705a
1313c6c2688
14a1531ba6
15636b9a7a
hex3f729586

1064473990 has 8 divisors (see below), whose sum is σ = 1916053200. Its totient is φ = 425789592.

The previous prime is 1064473967. The next prime is 1064473999. The reversal of 1064473990 is 993744601.

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

It is a super-2 number, since 2×10644739902 = 2266209750773040200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064473999) 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 3 ways as a sum of consecutive naturals, for example, 53223690 + ... + 53223709.

It is an arithmetic number, because the mean of its divisors is an integer number (239506650).

Almost surely, 21064473990 is an apocalyptic number.

1064473990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064473990 is a deficient number, since it is larger than the sum of its proper divisors (851579210).

1064473990 is a wasteful number, since it uses less digits than its factorization.

1064473990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106447406.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1064473990 is about 32626.2775995056. The cubic root of 1064473990 is about 1021.0453175798.

The spelling of 1064473990 in words is "one billion, sixty-four million, four hundred seventy-three thousand, nine hundred ninety".

Divisors: 1 2 5 10 106447399 212894798 532236995 1064473990