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270424021 = 7127331919
BaseRepresentation
bin10000000111100…
…101011111010101
3200211211222000111
4100013211133111
51023212032041
642500043021
76462365140
oct2007453725
9624758014
10270424021
1112971362a
1276693471
1344043b1a
1427cb5057
1518b1a981
hex101e57d5

270424021 has 16 divisors (see below), whose sum is σ = 312770560. Its totient is φ = 229022640.

The previous prime is 270423991. The next prime is 270424051. The reversal of 270424021 is 120424072.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (270423991) and next prime (270424051).

It is not a de Polignac number, because 270424021 - 27 = 270423893 is a prime.

It is a super-2 number, since 2×2704240212 = 146258302267616882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 270423983 and 270424001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270424051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293800 + ... + 294718.

It is an arithmetic number, because the mean of its divisors is an integer number (19548160).

Almost surely, 2270424021 is an apocalyptic number.

It is an amenable number.

270424021 is a deficient number, since it is larger than the sum of its proper divisors (42346539).

270424021 is a wasteful number, since it uses less digits than its factorization.

270424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 270424021 is about 16444.5742115751. The cubic root of 270424021 is about 646.6685728443.

Adding to 270424021 its reverse (120424072), we get a palindrome (390848093).

The spelling of 270424021 in words is "two hundred seventy million, four hundred twenty-four thousand, twenty-one".

Divisors: 1 7 127 331 889 919 2317 6433 42037 116713 294259 304189 816991 2129323 38632003 270424021