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1006420480 = 2951330241
BaseRepresentation
bin111011111111001…
…100001000000000
32121010202110100121
4323333030020000
54030120423410
6243511030024
733640301332
oct7377141000
92533673317
101006420480
1147710966a
1224106b314
131306776a0
149793d452
155d54d9da
hex3bfcc200

1006420480 has 80 divisors (see below), whose sum is σ = 2598755544. Its totient is φ = 371589120.

The previous prime is 1006420439. The next prime is 1006420501. The reversal of 1006420480 is 840246001.

It can be written as a sum of positive squares in 4 ways, for example, as 437311744 + 569108736 = 20912^2 + 23856^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18160 + ... + 48400.

Almost surely, 21006420480 is an apocalyptic number.

1006420480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1006420480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299377772).

1006420480 is an abundant number, since it is smaller than the sum of its proper divisors (1592335064).

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

1006420480 is an equidigital number, since it uses as much as digits as its factorization.

1006420480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30277 (or 30261 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1006420480 is about 31724.1308785599. The cubic root of 1006420480 is about 1002.1355959831.

Adding to 1006420480 its reverse (840246001), we get a palindrome (1846666481).

The spelling of 1006420480 in words is "one billion, six million, four hundred twenty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 640 832 1040 1280 1664 2080 2560 3328 4160 6656 8320 16640 30241 33280 60482 120964 151205 241928 302410 393133 483856 604820 786266 967712 1209640 1572532 1935424 1965665 2419280 3145064 3870848 3931330 4838560 6290128 7741696 7862660 9677120 12580256 15483392 15725320 19354240 25160512 31450640 38708480 50321024 62901280 77416960 100642048 125802560 201284096 251605120 503210240 1006420480