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55142126 = 2132120851
BaseRepresentation
bin1101001001011…
…0011011101110
310211202111202222
43102112123232
5103104022001
65245515342
71236462134
oct322263356
9124674688
1055142126
1129143106
1216572b52
13b568aa0
147475754
154c9361b
hex34966ee

55142126 has 8 divisors (see below), whose sum is σ = 89075784. Its totient is φ = 25450200.

The previous prime is 55142093. The next prime is 55142141. The reversal of 55142126 is 62124155.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2120851 = 55142126 / (5 + 5 + 1 + 4 + 2 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 55142095 and 55142104.

It is a congruent number.

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, 1060400 + ... + 1060451.

It is an arithmetic number, because the mean of its divisors is an integer number (11134473).

Almost surely, 255142126 is an apocalyptic number.

55142126 is a deficient number, since it is larger than the sum of its proper divisors (33933658).

55142126 is a wasteful number, since it uses less digits than its factorization.

55142126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120866.

The product of its digits is 2400, while the sum is 26.

The square root of 55142126 is about 7425.7744377270. The cubic root of 55142126 is about 380.6225391184.

The spelling of 55142126 in words is "fifty-five million, one hundred forty-two thousand, one hundred twenty-six".

Divisors: 1 2 13 26 2120851 4241702 27571063 55142126