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54892990 = 255489299
BaseRepresentation
bin1101000101100…
…1100110111110
310211021212000201
43101121212332
5103023033430
65240314114
71234403605
oct321314676
9124255021
1054892990
1128a92a09
121647293a
13b4ac579
14740ca3c
154c448ca
hex34599be

54892990 has 8 divisors (see below), whose sum is σ = 98807400. Its totient is φ = 21957192.

The previous prime is 54892987. The next prime is 54892997. The reversal of 54892990 is 9929845.

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

It is a super-2 number, since 2×548929902 = 6026480702280200, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 54892990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54892997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744640 + ... + 2744659.

It is an arithmetic number, because the mean of its divisors is an integer number (12350925).

Almost surely, 254892990 is an apocalyptic number.

54892990 is a deficient number, since it is larger than the sum of its proper divisors (43914410).

54892990 is a wasteful number, since it uses less digits than its factorization.

54892990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489306.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 54892990 is about 7408.9803616962. The cubic root of 54892990 is about 380.0484471933.

The spelling of 54892990 in words is "fifty-four million, eight hundred ninety-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 5489299 10978598 27446495 54892990