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1447070070 = 2352312891627
BaseRepresentation
bin101011001000000…
…1000100101110110
310201211220202221210
41112100020211312
510430422220240
6355331422250
750600615115
oct12620104566
93654822853
101447070070
11682919186
12344754986
131a0a4c3a4
14da285c7c
1587091780
hex56408976

1447070070 has 64 divisors (see below), whose sum is σ = 3629007360. Its totient is φ = 368594688.

The previous prime is 1447069997. The next prime is 1447070071. The reversal of 1447070070 is 700707441.

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 (1447070071) 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 31 ways as a sum of consecutive naturals, for example, 888597 + ... + 890223.

It is an arithmetic number, because the mean of its divisors is an integer number (56703240).

Almost surely, 21447070070 is an apocalyptic number.

1447070070 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 1447070070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814503680).

1447070070 is an abundant number, since it is smaller than the sum of its proper divisors (2181937290).

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

1447070070 is a wasteful number, since it uses less digits than its factorization.

1447070070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 1447070070 is about 38040.3742095159. The cubic root of 1447070070 is about 1131.0883267831.

The spelling of 1447070070 in words is "one billion, four hundred forty-seven million, seventy thousand, seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 1289 1627 2578 3254 3867 4881 6445 7734 8135 9762 12890 16270 19335 24405 29647 37421 38670 48810 59294 74842 88941 112263 148235 177882 187105 224526 296470 374210 444705 561315 889410 1122630 2097203 4194406 6291609 10486015 12583218 20972030 31458045 48235669 62916090 96471338 144707007 241178345 289414014 482356690 723535035 1447070070