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2420008 = 231132677
BaseRepresentation
bin1001001110110100101000
311112221121221
421032310220
51104420013
6123511424
726366263
oct11166450
94487557
102420008
111403208
12988574
13669676
1446dcda
1532c08d
hex24ed28

2420008 has 16 divisors (see below), whose sum is σ = 4579380. Its totient is φ = 1198848.

The previous prime is 2419993. The next prime is 2420009. The reversal of 2420008 is 8000242.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 887364 = 1238^2 + 942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2419973 and 2420000.

It is not an unprimeable number, because it can be changed into a prime (2420009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435 + ... + 2242.

22420008 is an apocalyptic number.

It is an amenable number.

2420008 is a deficient number, since it is larger than the sum of its proper divisors (2159372).

2420008 is a wasteful number, since it uses less digits than its factorization.

2420008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2420008 is about 1555.6374899057. The cubic root of 2420008 is about 134.2576168337.

The spelling of 2420008 in words is "two million, four hundred twenty thousand, eight".

Divisors: 1 2 4 8 113 226 452 904 2677 5354 10708 21416 302501 605002 1210004 2420008