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2420229 = 37115249
BaseRepresentation
bin1001001110111000000101
311112221221010
421032320011
51104421404
6123512433
726400030
oct11167005
94487833
102420229
111403399
12988719
136697b6
14470017
1532c189
hex24ee05

2420229 has 8 divisors (see below), whose sum is σ = 3688000. Its totient is φ = 1382976.

The previous prime is 2420213. The next prime is 2420237. The reversal of 2420229 is 9220242.

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

It is not a de Polignac number, because 2420229 - 24 = 2420213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 115249 = 2420229 / (2 + 4 + 2 + 0 + 2 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57604 + ... + 57645.

It is an arithmetic number, because the mean of its divisors is an integer number (461000).

22420229 is an apocalyptic number.

It is an amenable number.

2420229 is a deficient number, since it is larger than the sum of its proper divisors (1267771).

2420229 is a wasteful number, since it uses less digits than its factorization.

2420229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115259.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2420229 is about 1555.7085202569. The cubic root of 2420229 is about 134.2617036012.

The spelling of 2420229 in words is "two million, four hundred twenty thousand, two hundred twenty-nine".

Divisors: 1 3 7 21 115249 345747 806743 2420229