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70220336 = 2417534871
BaseRepresentation
bin1000010111101…
…11101000110000
311220010120012012
410023313220300
5120434022321
610545022052
71511602004
oct413675060
9156116165
1070220336
113670163a
121b624928
1311717bc4
14947c704
15627105b
hex42f7a30

70220336 has 40 divisors (see below), whose sum is σ = 146803104. Its totient is φ = 32414720.

The previous prime is 70220329. The next prime is 70220401. The reversal of 70220336 is 63302207.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11981 + ... + 16851.

Almost surely, 270220336 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 70220336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73401552).

70220336 is an abundant number, since it is smaller than the sum of its proper divisors (76582768).

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

70220336 is a wasteful number, since it uses less digits than its factorization.

70220336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 70220336 is about 8379.7575143915. The cubic root of 70220336 is about 412.5604901802.

The spelling of 70220336 in words is "seventy million, two hundred twenty thousand, three hundred thirty-six".

Divisors: 1 2 4 8 16 17 34 53 68 106 136 212 272 424 848 901 1802 3604 4871 7208 9742 14416 19484 38968 77936 82807 165614 258163 331228 516326 662456 1032652 1324912 2065304 4130608 4388771 8777542 17555084 35110168 70220336