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55230002 = 227615001
BaseRepresentation
bin1101001010101…
…1111000110010
310211220222022122
43102223320302
5103114330002
65251434242
71240306262
oct322537062
9124828278
1055230002
11291a3133
12165b5982
13b599a99
1474997a2
154cae6a2
hex34abe32

55230002 has 4 divisors (see below), whose sum is σ = 82845006. Its totient is φ = 27615000.

The previous prime is 55229989. The next prime is 55230013. The reversal of 55230002 is 20003255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20003255 = 54000651.

It can be written as a sum of positive squares in only one way, i.e., 31013761 + 24216241 = 5569^2 + 4921^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13807499 + ... + 13807502.

Almost surely, 255230002 is an apocalyptic number.

55230002 is a deficient number, since it is larger than the sum of its proper divisors (27615004).

55230002 is a wasteful number, since it uses less digits than its factorization.

55230002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27615003.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 55230002 is about 7431.6890408574. The cubic root of 55230002 is about 380.8246219706.

Adding to 55230002 its reverse (20003255), we get a palindrome (75233257).

The spelling of 55230002 in words is "fifty-five million, two hundred thirty thousand, two".

Divisors: 1 2 27615001 55230002