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3142069 = 7448867
BaseRepresentation
bin1011111111000110110101
312220122002221
423333012311
51301021234
6151202341
735464360
oct13770665
95818087
103142069
111856757
1210763b1
13860218
145bb0d7
15420eb4
hex2ff1b5

3142069 has 4 divisors (see below), whose sum is σ = 3590944. Its totient is φ = 2693196.

The previous prime is 3142043. The next prime is 3142079. The reversal of 3142069 is 9602413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3142069 - 29 = 3141557 is a prime.

It is a super-2 number, since 2×31420692 = 19745195201522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224427 + ... + 224440.

It is an arithmetic number, because the mean of its divisors is an integer number (897736).

Almost surely, 23142069 is an apocalyptic number.

It is an amenable number.

3142069 is a deficient number, since it is larger than the sum of its proper divisors (448875).

3142069 is an equidigital number, since it uses as much as digits as its factorization.

3142069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448874.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3142069 is about 1772.5882206536. The cubic root of 3142069 is about 146.4665907112.

The spelling of 3142069 in words is "three million, one hundred forty-two thousand, sixty-nine".

Divisors: 1 7 448867 3142069