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3141881 = 31432357
BaseRepresentation
bin1011111111000011111001
312220121211222
423333003321
51301020011
6151201425
735464001
oct13770371
95817758
103141881
1118565a6
121076275
13860102
145bb001
15420ddb
hex2ff0f9

3141881 has 8 divisors (see below), whose sum is σ = 3320064. Its totient is φ = 2968560.

The previous prime is 3141877. The next prime is 3141883. The reversal of 3141881 is 1881413.

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

It is not a de Polignac number, because 3141881 - 22 = 3141877 is a prime.

It is a super-2 number, since 2×31418812 = 19742832436322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3141881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141883) 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, 155 + ... + 2511.

It is an arithmetic number, because the mean of its divisors is an integer number (415008).

Almost surely, 23141881 is an apocalyptic number.

3141881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3141881 is a deficient number, since it is larger than the sum of its proper divisors (178183).

3141881 is a wasteful number, since it uses less digits than its factorization.

3141881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431.

The product of its digits is 768, while the sum is 26.

The square root of 3141881 is about 1772.5351900597. The cubic root of 3141881 is about 146.4636694654.

The spelling of 3141881 in words is "three million, one hundred forty-one thousand, eight hundred eighty-one".

Divisors: 1 31 43 1333 2357 73067 101351 3141881