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54942170 = 2523238879
BaseRepresentation
bin1101000110010…
…1100111011010
310211101100111012
43101211213122
5103031122140
65241333522
71235000153
oct321454732
9124340435
1054942170
1129016958
12164972a2
13b4c8a7a
14742292a
154c54265
hex34659da

54942170 has 16 divisors (see below), whose sum is σ = 103196160. Its totient is φ = 21021264.

The previous prime is 54942169. The next prime is 54942179. The reversal of 54942170 is 7124945.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54942179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119210 + ... + 119669.

It is an arithmetic number, because the mean of its divisors is an integer number (6449760).

Almost surely, 254942170 is an apocalyptic number.

54942170 is a deficient number, since it is larger than the sum of its proper divisors (48253990).

54942170 is a wasteful number, since it uses less digits than its factorization.

54942170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238909.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 54942170 is about 7412.2985638734. The cubic root of 54942170 is about 380.1619116118.

Subtracting from 54942170 its reverse (7124945), we obtain a square (47817225 = 69152).

The spelling of 54942170 in words is "fifty-four million, nine hundred forty-two thousand, one hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 238879 477758 1194395 2388790 5494217 10988434 27471085 54942170