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3142240420 = 2251114282911
BaseRepresentation
bin1011101101001010…
…1100100010100100
322002222200100111211
42323102230202210
522413403143140
61235445041204
7140603413534
oct27322544244
98088610454
103142240420
111372792810
127383b6204
133b0cc7577
1421b4714c4
15135cde2ea
hexbb4ac8a4

3142240420 has 24 divisors (see below), whose sum is σ = 7198587648. Its totient is φ = 1142632800.

The previous prime is 3142240417. The next prime is 3142240433. The reversal of 3142240420 is 240422413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3142240391 and 3142240400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7141236 + ... + 7141675.

It is an arithmetic number, because the mean of its divisors is an integer number (299941152).

Almost surely, 23142240420 is an apocalyptic number.

It is an amenable number.

3142240420 is an abundant number, since it is smaller than the sum of its proper divisors (4056347228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3142240420 is a wasteful number, since it uses less digits than its factorization.

3142240420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14282931 (or 14282929 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 3142240420 is about 56055.6903445136. The cubic root of 3142240420 is about 1464.6925422651.

Adding to 3142240420 its reverse (240422413), we get a palindrome (3382662833).

The spelling of 3142240420 in words is "three billion, one hundred forty-two million, two hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 14282911 28565822 57131644 71414555 142829110 157112021 285658220 314224042 628448084 785560105 1571120210 3142240420