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1042414220 = 22552120711
BaseRepresentation
bin111110001000011…
…111101010001100
32200122111010111002
4332020133222030
54113324223340
6251234315432
734555242341
oct7610375214
92618433432
101042414220
11495463261
12251128b78
13137c6a863
149c62c7c8
15617ad715
hex3e21fa8c

1042414220 has 12 divisors (see below), whose sum is σ = 2189069904. Its totient is φ = 416965680.

The previous prime is 1042414199. The next prime is 1042414249. The reversal of 1042414220 is 224142401.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 52120711 = 1042414220 / (1 + 0 + 4 + 2 + 4 + 1 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1042414192 and 1042414201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26060336 + ... + 26060375.

It is an arithmetic number, because the mean of its divisors is an integer number (182422492).

Almost surely, 21042414220 is an apocalyptic number.

1042414220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042414220 is an abundant number, since it is smaller than the sum of its proper divisors (1146655684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042414220 is a wasteful number, since it uses less digits than its factorization.

1042414220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52120720 (or 52120718 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1042414220 is about 32286.4401877940. The cubic root of 1042414220 is about 1013.9427690299.

Adding to 1042414220 its reverse (224142401), we get a palindrome (1266556621).

The spelling of 1042414220 in words is "one billion, forty-two million, four hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 52120711 104241422 208482844 260603555 521207110 1042414220