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4780074 = 231361283
BaseRepresentation
bin10010001111000000101010
322222212000210
4102033000222
52210430244
6250241550
755426035
oct22170052
98885023
104780074
112775382
1217262b6
13cb4960
148c601c
156464b9
hex48f02a

4780074 has 16 divisors (see below), whose sum is σ = 10295712. Its totient is φ = 1470768.

The previous prime is 4780051. The next prime is 4780079. The reversal of 4780074 is 4700874.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4780079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30564 + ... + 30719.

It is an arithmetic number, because the mean of its divisors is an integer number (643482).

Almost surely, 24780074 is an apocalyptic number.

4780074 is an abundant number, since it is smaller than the sum of its proper divisors (5515638).

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

4780074 is a wasteful number, since it uses less digits than its factorization.

4780074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61301.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 4780074 is about 2186.3380342481. The cubic root of 4780074 is about 168.4527893283.

It can be divided in two parts, 47800 and 74, that added together give a palindrome (47874).

The spelling of 4780074 in words is "four million, seven hundred eighty thousand, seventy-four".

Divisors: 1 2 3 6 13 26 39 78 61283 122566 183849 367698 796679 1593358 2390037 4780074