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469740 = 22357829
BaseRepresentation
bin1110010101011101100
3212212100210
41302223230
5110012430
614022420
73664335
oct1625354
9785323
10469740
112a0a17
121a7a10
13135a6b
14c328c
15942b0
hex72aec

469740 has 24 divisors (see below), whose sum is σ = 1315440. Its totient is φ = 125248.

The previous prime is 469723. The next prime is 469747. The reversal of 469740 is 47964.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 469698 and 469707.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 469740.

It is not an unprimeable number, because it can be changed into a prime (469747) by changing a digit.

469740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855 + ... + 3974.

It is an arithmetic number, because the mean of its divisors is an integer number (54810).

2469740 is an apocalyptic number.

It is an amenable number.

469740 is an abundant number, since it is smaller than the sum of its proper divisors (845700).

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

469740 is a wasteful number, since it uses less digits than its factorization.

469740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841 (or 7839 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 469740 is about 685.3758093192. The cubic root of 469740 is about 77.7354614862.

The spelling of 469740 in words is "four hundred sixty-nine thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7829 15658 23487 31316 39145 46974 78290 93948 117435 156580 234870 469740