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4742840 = 235118571
BaseRepresentation
bin10010000101111010111000
322220221221202
4102011322320
52203232330
6245353332
755212344
oct22057270
98827852
104742840
11274a403
121708848
13ca0a1b
148b6624
1563a445
hex485eb8

4742840 has 16 divisors (see below), whose sum is σ = 10671480. Its totient is φ = 1897120.

The previous prime is 4742831. The next prime is 4742861. The reversal of 4742840 is 482474.

It is a congruent number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 59246 + ... + 59325.

Almost surely, 24742840 is an apocalyptic number.

4742840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4742840 is an abundant number, since it is smaller than the sum of its proper divisors (5928640).

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

4742840 is a wasteful number, since it uses less digits than its factorization.

4742840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118582 (or 118578 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 4742840 is about 2177.8062356417. The cubic root of 4742840 is about 168.0142656064.

The spelling of 4742840 in words is "four million, seven hundred forty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 118571 237142 474284 592855 948568 1185710 2371420 4742840