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3100442 = 21550221
BaseRepresentation
bin1011110100111100011010
312211112000012
423310330122
51243203232
6150241522
735232122
oct13647432
95745005
103100442
111828454
1210562a2
138472a7
145a9c82
154139b2
hex2f4f1a

3100442 has 4 divisors (see below), whose sum is σ = 4650666. Its totient is φ = 1550220.

The previous prime is 3100421. The next prime is 3100463. The reversal of 3100442 is 2440013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2440013 = 9412593.

It is an interprime number because it is at equal distance from previous prime (3100421) and next prime (3100463).

It can be written as a sum of positive squares in only one way, i.e., 1585081 + 1515361 = 1259^2 + 1231^2 .

It is a super-2 number, since 2×31004422 = 19225481190728, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 775109 + ... + 775112.

Almost surely, 23100442 is an apocalyptic number.

3100442 is a deficient number, since it is larger than the sum of its proper divisors (1550224).

3100442 is a wasteful number, since it uses less digits than its factorization.

3100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550223.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3100442 is about 1760.8072012574. The cubic root of 3100442 is about 145.8169031467.

Adding to 3100442 its reverse (2440013), we get a palindrome (5540455).

The spelling of 3100442 in words is "three million, one hundred thousand, four hundred forty-two".

Divisors: 1 2 1550221 3100442