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1064406630 = 235733115313
BaseRepresentation
bin111111011100011…
…000111001100110
32202011212110101210
4333130120321212
54134442003010
6253341532250
735243210220
oct7734307146
92664773353
101064406630
114a6914501
12258574086
1313c69ab11
14a1515410
15636a4b20
hex3f718e66

1064406630 has 64 divisors (see below), whose sum is σ = 2928526848. Its totient is φ = 242542080.

The previous prime is 1064406613. The next prime is 1064406631. The reversal of 1064406630 is 366044601.

It is a super-2 number, since 2×10644066302 = 2265922947975913800, 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 (1064406631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61854 + ... + 77166.

It is an arithmetic number, because the mean of its divisors is an integer number (45758232).

Almost surely, 21064406630 is an apocalyptic number.

1064406630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064406630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464263424).

1064406630 is an abundant number, since it is smaller than the sum of its proper divisors (1864120218).

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

1064406630 is a wasteful number, since it uses less digits than its factorization.

1064406630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15661.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1064406630 is about 32625.2452864342. The cubic root of 1064406630 is about 1021.0237798487.

The spelling of 1064406630 in words is "one billion, sixty-four million, four hundred six thousand, six hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 331 662 993 1655 1986 2317 3310 4634 4965 6951 9930 11585 13902 15313 23170 30626 34755 45939 69510 76565 91878 107191 153130 214382 229695 321573 459390 535955 643146 1071910 1607865 3215730 5068603 10137206 15205809 25343015 30411618 35480221 50686030 70960442 76029045 106440663 152058090 177401105 212881326 354802210 532203315 1064406630