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55304200 = 2352739503
BaseRepresentation
bin1101001011111…
…0000000001000
310212001202002201
43102332000020
5103124213300
65253205544
71241035510
oct322760010
9125052081
1055304200
1129243956
12166308b4
13b5c47a3
1474b8840
154cc666a
hex34be008

55304200 has 48 divisors (see below), whose sum is σ = 146954880. Its totient is φ = 18960960.

The previous prime is 55304177. The next prime is 55304201. The reversal of 55304200 is 240355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55304201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18352 + ... + 21151.

It is an arithmetic number, because the mean of its divisors is an integer number (3061560).

Almost surely, 255304200 is an apocalyptic number.

55304200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55304200 is an abundant number, since it is smaller than the sum of its proper divisors (91650680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55304200 is a wasteful number, since it uses less digits than its factorization.

55304200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39526 (or 39517 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55304200 is about 7436.6793664915. The cubic root of 55304200 is about 380.9950835564.

Adding to 55304200 its reverse (240355), we get a palindrome (55544555).

It can be divided in two parts, 5530 and 4200, that added together give a triangular number (9730 = T139).

The spelling of 55304200 in words is "fifty-five million, three hundred four thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 39503 79006 158012 197515 276521 316024 395030 553042 790060 987575 1106084 1382605 1580120 1975150 2212168 2765210 3950300 5530420 6913025 7900600 11060840 13826050 27652100 55304200