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4780134 = 234191553
BaseRepresentation
bin10010001111000001100110
322222212010000
4102033001212
52210431014
6250242130
755426152
oct22170146
98885100
104780134
112775427
121726346
13cb49a8
148c6062
15646509
hex48f066

4780134 has 40 divisors (see below), whose sum is σ = 11282040. Its totient is φ = 1508544.

The previous prime is 4780133. The next prime is 4780151. The reversal of 4780134 is 4310874.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4780098 and 4780107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2302 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (282051).

Almost surely, 24780134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4780134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5641020).

4780134 is an abundant number, since it is smaller than the sum of its proper divisors (6501906).

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

4780134 is a wasteful number, since it uses less digits than its factorization.

4780134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4780134 is about 2186.3517557795. The cubic root of 4780134 is about 168.4534941379.

The spelling of 4780134 in words is "four million, seven hundred eighty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 342 513 1026 1539 1553 3078 3106 4659 9318 13977 27954 29507 41931 59014 83862 88521 125793 177042 251586 265563 531126 796689 1593378 2390067 4780134