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1970027 = 8872221
BaseRepresentation
bin111100000111101101011
310201002100222
413200331223
51001020102
6110120255
722513343
oct7407553
93632328
101970027
111126124
127b008b
1353c8c7
14393d23
1528daa2
hex1e0f6b

1970027 has 4 divisors (see below), whose sum is σ = 1973136. Its totient is φ = 1966920.

The previous prime is 1969997. The next prime is 1970029. The reversal of 1970027 is 7200791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1970027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1969978 and 1970005.

It is not an unprimeable number, because it can be changed into a prime (1970029) 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 3 ways as a sum of consecutive naturals, for example, 224 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (493284).

21970027 is an apocalyptic number.

1970027 is a deficient number, since it is larger than the sum of its proper divisors (3109).

1970027 is an equidigital number, since it uses as much as digits as its factorization.

1970027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 1970027 is about 1403.5765030806. The cubic root of 1970027 is about 125.3595408515.

The spelling of 1970027 in words is "one million, nine hundred seventy thousand, twenty-seven".

Divisors: 1 887 2221 1970027