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270421403 = 752174149
BaseRepresentation
bin10000000111100…
…100110110011011
3200211211211102112
4100013210312123
51023211441103
642500022535
76462354410
oct2007446633
9624754375
10270421403
1112971166a
1276691a4b
1344042885
1427cb4107
1518b19cd8
hex101e4d9b

270421403 has 8 divisors (see below), whose sum is σ = 309650400. Its totient is φ = 231341760.

The previous prime is 270421391. The next prime is 270421451. The reversal of 270421403 is 304124072.

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

It is a cyclic number.

It is not a de Polignac number, because 270421403 - 28 = 270421147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270421103) 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, 33428 + ... + 40721.

It is an arithmetic number, because the mean of its divisors is an integer number (38706300).

Almost surely, 2270421403 is an apocalyptic number.

270421403 is a deficient number, since it is larger than the sum of its proper divisors (39228997).

270421403 is an equidigital number, since it uses as much as digits as its factorization.

270421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74677.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 270421403 is about 16444.4946106592. The cubic root of 270421403 is about 646.6664860181. Note that the first 3 decimals are identical.

Adding to 270421403 its reverse (304124072), we get a palindrome (574545475).

The spelling of 270421403 in words is "two hundred seventy million, four hundred twenty-one thousand, four hundred three".

Divisors: 1 7 521 3647 74149 519043 38631629 270421403