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70220322 = 23214392711
BaseRepresentation
bin1000010111101…
…11101000100010
311220010120011200
410023313220202
5120434022242
610545022030
71511601654
oct413675042
9156116150
1070220322
1136701627
121b624916
1311717bb3
14947c6d4
15627104c
hex42f7a22

70220322 has 24 divisors (see below), whose sum is σ = 152305920. Its totient is φ = 23381880.

The previous prime is 70220321. The next prime is 70220329. The reversal of 70220322 is 22302207.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70220295 and 70220304.

It is not an unprimeable number, because it can be changed into a prime (70220321) 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 11 ways as a sum of consecutive naturals, for example, 24547 + ... + 27257.

It is an arithmetic number, because the mean of its divisors is an integer number (6346080).

Almost surely, 270220322 is an apocalyptic number.

70220322 is an abundant number, since it is smaller than the sum of its proper divisors (82085598).

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

70220322 is a wasteful number, since it uses less digits than its factorization.

70220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 70220322 is about 8379.7566790450. The cubic root of 70220322 is about 412.5604627625.

Adding to 70220322 its reverse (22302207), we get a palindrome (92522529).

The spelling of 70220322 in words is "seventy million, two hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 1439 2711 2878 4317 5422 8133 8634 12951 16266 24399 25902 48798 3901129 7802258 11703387 23406774 35110161 70220322