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274142641 = 3134925339
BaseRepresentation
bin10000010101110…
…001010110110001
3201002211220000011
4100111301112301
51030140031031
643111454521
76536113453
oct2025612661
9632756004
10274142641
11130823473
1277987441
1344a465a6
14285a22d3
15191026b1
hex105715b1

274142641 has 8 divisors (see below), whose sum is σ = 283808000. Its totient is φ = 264528720.

The previous prime is 274142623. The next prime is 274142647. The reversal of 274142641 is 146241472.

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 274142641 - 211 = 274140593 is a prime.

It is a super-2 number, since 2×2741426412 = 150308375228909762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274142647) 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, 1851 + ... + 23488.

It is an arithmetic number, because the mean of its divisors is an integer number (35476000).

Almost surely, 2274142641 is an apocalyptic number.

It is an amenable number.

274142641 is a deficient number, since it is larger than the sum of its proper divisors (9665359).

274142641 is a wasteful number, since it uses less digits than its factorization.

274142641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25719.

The product of its digits is 10752, while the sum is 31.

The square root of 274142641 is about 16557.2534256138. The cubic root of 274142641 is about 649.6192176051.

The spelling of 274142641 in words is "two hundred seventy-four million, one hundred forty-two thousand, six hundred forty-one".

Divisors: 1 31 349 10819 25339 785509 8843311 274142641