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1064771740 = 225241220907
BaseRepresentation
bin111111011101110…
…010000010011100
32202012120000020101
4333131302002130
54140040143430
6253353430444
735246260534
oct7735620234
92665500211
101064771740
114a704384a
1225870b424
1313c798066
14a15ac4c4
1563727dca
hex3f77209c

1064771740 has 24 divisors (see below), whose sum is σ = 2245308912. Its totient is φ = 424139520.

The previous prime is 1064771713. The next prime is 1064771759. The reversal of 1064771740 is 471774601.

It is a super-2 number, since 2×10647717402 = 2267477716605255200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064771740.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 105634 + ... + 115273.

It is an arithmetic number, because the mean of its divisors is an integer number (93554538).

Almost surely, 21064771740 is an apocalyptic number.

1064771740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1064771740 is an abundant number, since it is smaller than the sum of its proper divisors (1180537172).

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

1064771740 is a wasteful number, since it uses less digits than its factorization.

1064771740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221157 (or 221155 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 1064771740 is about 32630.8403201634. The cubic root of 1064771740 is about 1021.1405094788.

The spelling of 1064771740 in words is "one billion, sixty-four million, seven hundred seventy-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 241 482 964 1205 2410 4820 220907 441814 883628 1104535 2209070 4418140 53238587 106477174 212954348 266192935 532385870 1064771740