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474978 = 23743263
BaseRepresentation
bin1110011111101100010
3220010112210
41303331202
5110144403
614102550
74015530
oct1637542
9803483
10474978
112a4949
121aaa56
1313826a
14c5150
1595b03
hex73f62

474978 has 32 divisors (see below), whose sum is σ = 1115136. Its totient is φ = 132048.

The previous prime is 474977. The next prime is 474983. The reversal of 474978 is 879474.

474978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (474977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (34848).

2474978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557568).

474978 is an abundant number, since it is smaller than the sum of its proper divisors (640158).

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

474978 is a wasteful number, since it uses less digits than its factorization.

474978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its digits is 56448, while the sum is 39.

The square root of 474978 is about 689.1864769422. The cubic root of 474978 is about 78.0233329274.

Subtracting 474978 from its reverse (879474), we obtain a square (404496 = 6362).

The spelling of 474978 in words is "four hundred seventy-four thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 263 301 526 602 789 903 1578 1806 1841 3682 5523 11046 11309 22618 33927 67854 79163 158326 237489 474978