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270458990 = 2552351713
BaseRepresentation
bin10000000111101…
…110000001101110
3200211220201222122
4100013232001232
51023214141430
642500512542
76462602114
oct2007560156
9624821878
10270458990
1112973792a
12766ab752
1344056a09
1427cc3ab4
1518b25ee5
hex101ee06e

270458990 has 16 divisors (see below), whose sum is σ = 487766448. Its totient is φ = 107974656.

The previous prime is 270458983. The next prime is 270458999. The reversal of 270458990 is 99854072.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270458999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20627 + ... + 31086.

It is an arithmetic number, because the mean of its divisors is an integer number (30485403).

Almost surely, 2270458990 is an apocalyptic number.

270458990 is a deficient number, since it is larger than the sum of its proper divisors (217307458).

270458990 is a wasteful number, since it uses less digits than its factorization.

270458990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52243.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 270458990 is about 16445.6374154364. The cubic root of 270458990 is about 646.6964455884.

The spelling of 270458990 in words is "two hundred seventy million, four hundred fifty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 523 1046 2615 5230 51713 103426 258565 517130 27045899 54091798 135229495 270458990