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1064781030 = 235151235051
BaseRepresentation
bin111111011101110…
…100010011100110
32202012120110222110
4333131310103212
54140040443110
6253353541450
735246326605
oct7735642346
92665513873
101064781030
114a704a825
12258714886
1313c79c361
14a15b1a3c
156372aa20
hex3f7744e6

1064781030 has 32 divisors (see below), whose sum is σ = 2572409088. Its totient is φ = 282060000.

The previous prime is 1064781017. The next prime is 1064781031. The reversal of 1064781030 is 301874601.

It is a happy number.

It is a super-2 number, since 2×10647810302 = 2267517283695721800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064781031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112996 + ... + 122055.

It is an arithmetic number, because the mean of its divisors is an integer number (80387784).

Almost surely, 21064781030 is an apocalyptic number.

1064781030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064781030 is an abundant number, since it is smaller than the sum of its proper divisors (1507628058).

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

1064781030 is a wasteful number, since it uses less digits than its factorization.

1064781030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235212.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1064781030 is about 32630.9826698492. The cubic root of 1064781030 is about 1021.1434792445.

The spelling of 1064781030 in words is "one billion, sixty-four million, seven hundred eighty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 151 302 453 755 906 1510 2265 4530 235051 470102 705153 1175255 1410306 2350510 3525765 7051530 35492701 70985402 106478103 177463505 212956206 354927010 532390515 1064781030