Search a number
-
+
54143450 = 2524325183
BaseRepresentation
bin1100111010001…
…0100111011010
310202212202211222
43032202213122
5102330042300
65212252042
71225132424
oct316424732
9122782758
1054143450
1128620859
1216171022
13b2a935a
147295814
154b47785
hex33a29da

54143450 has 24 divisors (see below), whose sum is σ = 103052928. Its totient is φ = 21152880.

The previous prime is 54143429. The next prime is 54143477. The reversal of 54143450 is 5434145.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10442 + ... + 14741.

It is an arithmetic number, because the mean of its divisors is an integer number (4293872).

Almost surely, 254143450 is an apocalyptic number.

54143450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54143450 is a deficient number, since it is larger than the sum of its proper divisors (48909478).

54143450 is a wasteful number, since it uses less digits than its factorization.

54143450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25238 (or 25233 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 54143450 is about 7358.2232909854. The cubic root of 54143450 is about 378.3107147278.

Adding to 54143450 its reverse (5434145), we get a palindrome (59577595).

The spelling of 54143450 in words is "fifty-four million, one hundred forty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 43 50 86 215 430 1075 2150 25183 50366 125915 251830 629575 1082869 1259150 2165738 5414345 10828690 27071725 54143450