Search a number
-
+
1670425008 = 243712374019
BaseRepresentation
bin110001110010000…
…1010100110110000
311022102012101022220
41203210022212300
511410112100013
6433431001040
756252243520
oct14344124660
94272171286
101670425008
11787a0303a
123a7509180
132080c2b85
1411bbc7680
159b9b0b23
hex6390a9b0

1670425008 has 80 divisors (see below), whose sum is σ = 4936945920. Its totient is φ = 476759808.

The previous prime is 1670425007. The next prime is 1670425019. The reversal of 1670425008 is 8005240761.

It is a self number, because there is not a number n which added to its sum of digits gives 1670425008.

It is not an unprimeable number, because it can be changed into a prime (1670425007) 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, 413623 + ... + 417641.

It is an arithmetic number, because the mean of its divisors is an integer number (61711824).

Almost surely, 21670425008 is an apocalyptic number.

It is an amenable number.

1670425008 is an abundant number, since it is smaller than the sum of its proper divisors (3266520912).

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

1670425008 is a wasteful number, since it uses less digits than its factorization.

1670425008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1670425008 is about 40870.8332188127. The cubic root of 1670425008 is about 1186.5216337219.

Adding to 1670425008 its reverse (8005240761), we get a palindrome (9675665769).

The spelling of 1670425008 in words is "one billion, six hundred seventy million, four hundred twenty-five thousand, eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 1237 2474 3711 4019 4948 7422 8038 8659 9896 12057 14844 16076 17318 19792 24114 25977 28133 29688 32152 34636 48228 51954 56266 59376 64304 69272 84399 96456 103908 112532 138544 168798 192912 207816 225064 337596 415632 450128 675192 1350384 4971503 9943006 14914509 19886012 29829018 34800521 39772024 59658036 69601042 79544048 104401563 119316072 139202084 208803126 238632144 278404168 417606252 556808336 835212504 1670425008