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5078556 = 2232722879
BaseRepresentation
bin10011010111111000011100
3100120000110200
4103113320130
52300003211
6300503500
761111200
oct23277034
910500420
105078556
11295965a
12184ab90
13108a782
14962b00
156a4b56
hex4d7e1c

5078556 has 54 divisors (see below), whose sum is σ = 14938560. Its totient is φ = 1450512.

The previous prime is 5078551. The next prime is 5078573. The reversal of 5078556 is 6558705.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5078556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5078551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 325 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (276640).

Almost surely, 25078556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5078556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7469280).

5078556 is an abundant number, since it is smaller than the sum of its proper divisors (9860004).

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

5078556 is a wasteful number, since it uses less digits than its factorization.

5078556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2891 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 5078556 is about 2253.5651754498. The cubic root of 5078556 is about 171.8884710543. Note that the first 3 decimals are identical.

It can be divided in two parts, 50 and 78556, that added together give a triangular number (78606 = T396).

The spelling of 5078556 in words is "five million, seventy-eight thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 2879 5758 8637 11516 17274 20153 25911 34548 40306 51822 60459 80612 103644 120918 141071 181377 241836 282142 362754 423213 564284 725508 846426 1269639 1692852 2539278 5078556