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3149222 = 21574611
BaseRepresentation
bin1100000000110110100110
312220222220212
430000312212
51301233342
6151255422
735524256
oct14006646
95828825
103149222
11186106a
12107a572
1386355b
145bd966
15423182
hex300da6

3149222 has 4 divisors (see below), whose sum is σ = 4723836. Its totient is φ = 1574610.

The previous prime is 3149221. The next prime is 3149249. The reversal of 3149222 is 2229413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2229413 = 2396931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787304 + ... + 787307.

It is an arithmetic number, because the mean of its divisors is an integer number (1180959).

Almost surely, 23149222 is an apocalyptic number.

3149222 is a deficient number, since it is larger than the sum of its proper divisors (1574614).

3149222 is a wasteful number, since it uses less digits than its factorization.

3149222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574613.

The product of its digits is 864, while the sum is 23.

The square root of 3149222 is about 1774.6047447249. The cubic root of 3149222 is about 146.5776514494.

The spelling of 3149222 in words is "three million, one hundred forty-nine thousand, two hundred twenty-two".

Divisors: 1 2 1574611 3149222