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55113130 = 255511313
BaseRepresentation
bin1101001000111…
…1010110101010
310211201001000001
43102033112222
5103102110010
65245133214
71236311452
oct322172652
9124631001
1055113130
1129123346
121655a20a
13b558827
147468d62
154c89c3a
hex348f5aa

55113130 has 8 divisors (see below), whose sum is σ = 99203652. Its totient is φ = 22045248.

The previous prime is 55113119. The next prime is 55113181. The reversal of 55113130 is 3131155.

It can be written as a sum of positive squares in 2 ways, for example, as 48399849 + 6713281 = 6957^2 + 2591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55113098 and 55113107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755647 + ... + 2755666.

Almost surely, 255113130 is an apocalyptic number.

55113130 is a deficient number, since it is larger than the sum of its proper divisors (44090522).

55113130 is a wasteful number, since it uses less digits than its factorization.

55113130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511320.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 55113130 is about 7423.8217920422. The cubic root of 55113130 is about 380.5558117540. Note that the first 3 decimals are identical.

Adding to 55113130 its reverse (3131155), we get a palindrome (58244285).

The spelling of 55113130 in words is "fifty-five million, one hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 5511313 11022626 27556565 55113130