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55031234 = 227515617
BaseRepresentation
bin1101000111101…
…1010111000010
310211112212122212
43101323113002
5103041444414
65243302122
71235520626
oct321732702
9124485585
1055031234
1129077865
121651a942
13b52a47b
147447186
154c7083e
hex347b5c2

55031234 has 4 divisors (see below), whose sum is σ = 82546854. Its totient is φ = 27515616.

The previous prime is 55031191. The next prime is 55031237. The reversal of 55031234 is 43213055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 2512225 = 7247^2 + 1585^2 .

It is not an unprimeable number, because it can be changed into a prime (55031237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13757807 + ... + 13757810.

Almost surely, 255031234 is an apocalyptic number.

55031234 is a deficient number, since it is larger than the sum of its proper divisors (27515620).

55031234 is a wasteful number, since it uses less digits than its factorization.

55031234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27515619.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 55031234 is about 7418.3039840654. The cubic root of 55031234 is about 380.3672211909.

Adding to 55031234 its reverse (43213055), we get a palindrome (98244289).

The spelling of 55031234 in words is "fifty-five million, thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 27515617 55031234