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1964968 = 23245621
BaseRepresentation
bin111011111101110101000
310200211102121
413133232220
51000334333
6110041024
722462525
oct7375650
93624377
101964968
111122345
127a9174
1353a505
1439214c
1528c32d
hex1dfba8

1964968 has 8 divisors (see below), whose sum is σ = 3684330. Its totient is φ = 982480.

The previous prime is 1964951. The next prime is 1964969. The reversal of 1964968 is 8694691.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 174724 = 1338^2 + 418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×19649682 = 7722198482048, which contains 22 as substring.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1964969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122803 + ... + 122818.

21964968 is an apocalyptic number.

It is an amenable number.

1964968 is a deficient number, since it is larger than the sum of its proper divisors (1719362).

1964968 is a wasteful number, since it uses less digits than its factorization.

1964968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245627 (or 245623 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 1964968 is about 1401.7731628191. The cubic root of 1964968 is about 125.2521417211.

The spelling of 1964968 in words is "one million, nine hundred sixty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 245621 491242 982484 1964968