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1406967808 = 213415971
BaseRepresentation
bin101001111011100…
…1010000000000000
310122001110100222211
41103313022000000
510340140432213
6351340111504
746603012651
oct12367120000
93561410884
101406967808
11662218814
12333235594
1319564b13c
14d4c07528
15837be53d
hex53dca000

1406967808 has 112 divisors (see below), whose sum is σ = 2972531520. Its totient is φ = 665190400.

The previous prime is 1406967797. The next prime is 1406967817. The reversal of 1406967808 is 8087696041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19816413 + ... + 19816483.

It is an arithmetic number, because the mean of its divisors is an integer number (26540460).

Almost surely, 21406967808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406967808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486265760).

1406967808 is an abundant number, since it is smaller than the sum of its proper divisors (1565563712).

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

1406967808 is an frugal number, since it uses more digits than its factorization.

1406967808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 1406967808 is about 37509.5695523156. The cubic root of 1406967808 is about 1120.5417786989.

The spelling of 1406967808 in words is "one billion, four hundred six million, nine hundred sixty-seven thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 41 59 64 71 82 118 128 142 164 236 256 284 328 472 512 568 656 944 1024 1136 1312 1888 2048 2272 2419 2624 2911 3776 4096 4189 4544 4838 5248 5822 7552 8192 8378 9088 9676 10496 11644 15104 16756 18176 19352 20992 23288 30208 33512 36352 38704 41984 46576 60416 67024 72704 77408 83968 93152 120832 134048 145408 154816 167936 171749 186304 241664 268096 290816 309632 335872 343498 372608 483328 536192 581632 619264 686996 745216 1072384 1238528 1373992 1490432 2144768 2477056 2747984 2980864 4289536 4954112 5495968 5961728 8579072 9908224 10991936 11923456 17158144 19816448 21983872 23846912 34316288 43967744 87935488 175870976 351741952 703483904 1406967808