Search a number
-
+
1068405084 = 2232131226549
BaseRepresentation
bin111111101011101…
…001000101011100
32202110101121020200
4333223221011130
54142002430314
6254003343500
735322202425
oct7753510534
92673347220
101068405084
114a90a560a
12259981b90
1314046aa76
14a1c7664c
1563be4709
hex3fae915c

1068405084 has 36 divisors (see below), whose sum is σ = 2721318600. Its totient is φ = 353414880.

The previous prime is 1068405083. The next prime is 1068405097. The reversal of 1068405084 is 4805048601.

1068405084 is a `hidden beast` number, since 106 + 8 + 40 + 508 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10684050842 = 2282978847034094112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068405083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108559 + ... + 117990.

Almost surely, 21068405084 is an apocalyptic number.

It is an amenable number.

1068405084 is an abundant number, since it is smaller than the sum of its proper divisors (1652913516).

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

1068405084 is a wasteful number, since it uses less digits than its factorization.

1068405084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226690 (or 226685 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1068405084 is about 32686.4663737150. The cubic root of 1068405084 is about 1022.3006775865.

The spelling of 1068405084 in words is "one billion, sixty-eight million, four hundred five thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 131 262 393 524 786 1179 1572 2358 4716 226549 453098 679647 906196 1359294 2038941 2718588 4077882 8155764 29677919 59355838 89033757 118711676 178067514 267101271 356135028 534202542 1068405084