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2420794 = 21210397
BaseRepresentation
bin1001001111000000111010
311112222201001
421033000322
51104431134
6123515214
726401465
oct11170072
94488631
102420794
111403862
12988b0a
13669b2c
144702dc
1532c414
hex24f03a

2420794 has 4 divisors (see below), whose sum is σ = 3631194. Its totient is φ = 1210396.

The previous prime is 2420779. The next prime is 2420801. The reversal of 2420794 is 4970242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4970242 = 22485121.

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 497025 = 1387^2 + 705^2 .

It is a d-powerful number, because it can be written as 25 + 42 + 221 + 0 + 74 + 95 + 49 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605197 + ... + 605200.

22420794 is an apocalyptic number.

2420794 is a deficient number, since it is larger than the sum of its proper divisors (1210400).

2420794 is a wasteful number, since it uses less digits than its factorization.

2420794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210399.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2420794 is about 1555.8900989466. The cubic root of 2420794 is about 134.2721505410.

The spelling of 2420794 in words is "two million, four hundred twenty thousand, seven hundred ninety-four".

Divisors: 1 2 1210397 2420794