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55142314 = 227571157
BaseRepresentation
bin1101001001011…
…0011110101010
310211202112000221
43102112132222
5103104023224
65245520254
71236462523
oct322263652
9124675027
1055142314
1129143267
121657308a
13b568bb6
14747584a
154c936e4
hex34967aa

55142314 has 4 divisors (see below), whose sum is σ = 82713474. Its totient is φ = 27571156.

The previous prime is 55142309. The next prime is 55142317. The reversal of 55142314 is 41324155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41324155 = 58264831.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 751689 = 7375^2 + 867^2 .

It is not an unprimeable number, because it can be changed into a prime (55142317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13785577 + ... + 13785580.

Almost surely, 255142314 is an apocalyptic number.

55142314 is a deficient number, since it is larger than the sum of its proper divisors (27571160).

55142314 is a wasteful number, since it uses less digits than its factorization.

55142314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27571159.

The product of its digits is 2400, while the sum is 25.

The square root of 55142314 is about 7425.7870963286. The cubic root of 55142314 is about 380.6229716791.

Adding to 55142314 its reverse (41324155), we get a palindrome (96466469).

The spelling of 55142314 in words is "fifty-five million, one hundred forty-two thousand, three hundred fourteen".

Divisors: 1 2 27571157 55142314