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1440811068 = 2231072774051
BaseRepresentation
bin101010111100001…
…0000100000111100
310201102010210012220
41111320100200330
510422321423233
6354545325340
750463456234
oct12570204074
93642123186
101440811068
1167a333754
12342636850
1319c66a538
14d94d6cc4
1586756eb3
hex55e1083c

1440811068 has 48 divisors (see below), whose sum is σ = 3406402944. Its totient is φ = 473947200.

The previous prime is 1440811067. The next prime is 1440811069. The reversal of 1440811068 is 8601180441.

It is an interprime number because it is at equal distance from previous prime (1440811067) and next prime (1440811069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440811061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353643 + ... + 357693.

It is an arithmetic number, because the mean of its divisors is an integer number (70966728).

Almost surely, 21440811068 is an apocalyptic number.

It is an amenable number.

1440811068 is an abundant number, since it is smaller than the sum of its proper divisors (1965591876).

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

1440811068 is a wasteful number, since it uses less digits than its factorization.

1440811068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4440 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1440811068 is about 37958.0171768758. The cubic root of 1440811068 is about 1129.4552071455.

The spelling of 1440811068 in words is "one billion, four hundred forty million, eight hundred eleven thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 107 214 277 321 428 554 642 831 1108 1284 1662 3324 4051 8102 12153 16204 24306 29639 48612 59278 88917 118556 177834 355668 433457 866914 1122127 1300371 1733828 2244254 2600742 3366381 4488508 5201484 6732762 13465524 120067589 240135178 360202767 480270356 720405534 1440811068