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487470 = 23516249
BaseRepresentation
bin1110111000000101110
3220202200110
41313000232
5111044340
614240450
74100124
oct1670056
9822613
10487470
11303275
121b6126
13140b59
14c9914
1599680
hex7702e

487470 has 16 divisors (see below), whose sum is σ = 1170000. Its totient is φ = 129984.

The previous prime is 487469. The next prime is 487471. The reversal of 487470 is 74784.

It is an interprime number because it is at equal distance from previous prime (487469) and next prime (487471).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 16249 = 487470 / (4 + 8 + 7 + 4 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487471) 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, 8095 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (73125).

2487470 is an apocalyptic number.

487470 is an abundant number, since it is smaller than the sum of its proper divisors (682530).

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

487470 is a wasteful number, since it uses less digits than its factorization.

487470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259.

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

The square root of 487470 is about 698.1905184117. The cubic root of 487470 is about 78.7014313770.

Subtracting from 487470 its reverse (74784), we obtain a triangular number (412686 = T908).

The spelling of 487470 in words is "four hundred eighty-seven thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 16249 32498 48747 81245 97494 162490 243735 487470