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2119970 = 25211997
BaseRepresentation
bin1000000101100100100010
310222201001102
420011210202
51020314340
6113234402
724006446
oct10054442
93881042
102119970
111218846
12862a02
13592c28
143d2826
152bd215
hex205922

2119970 has 8 divisors (see below), whose sum is σ = 3815964. Its totient is φ = 847984.

The previous prime is 2119969. The next prime is 2120009. The reversal of 2119970 is 799112.

It can be written as a sum of positive squares in 2 ways, for example, as 1985281 + 134689 = 1409^2 + 367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105989 + ... + 106008.

22119970 is an apocalyptic number.

2119970 is a deficient number, since it is larger than the sum of its proper divisors (1695994).

2119970 is a wasteful number, since it uses less digits than its factorization.

2119970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212004.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 2119970 is about 1456.0116757774. The cubic root of 2119970 is about 128.4625598101.

It can be divided in two parts, 21 and 19970, that added together give a palindrome (19991).

The spelling of 2119970 in words is "two million, one hundred nineteen thousand, nine hundred seventy".

Divisors: 1 2 5 10 211997 423994 1059985 2119970