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4744890 = 232552721
BaseRepresentation
bin10010000110011010111010
322221001202200
4102012122322
52203314030
6245411030
755221333
oct22063272
98831680
104744890
1127509a7
121709a76
13ca1937
148b728a
1563ad60
hex4866ba

4744890 has 24 divisors (see below), whose sum is σ = 12336948. Its totient is φ = 1265280.

The previous prime is 4744849. The next prime is 4744897. The reversal of 4744890 is 984474.

It can be written as a sum of positive squares in 2 ways, for example, as 4297329 + 447561 = 2073^2 + 669^2 .

It is a super-2 number, since 2×47448902 = 45027962224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4744897) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26271 + ... + 26450.

Almost surely, 24744890 is an apocalyptic number.

4744890 is an abundant number, since it is smaller than the sum of its proper divisors (7592058).

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

4744890 is a wasteful number, since it uses less digits than its factorization.

4744890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52734 (or 52731 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4744890 is about 2178.2768419097. The cubic root of 4744890 is about 168.0384690817.

The spelling of 4744890 in words is "four million, seven hundred forty-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 52721 105442 158163 263605 316326 474489 527210 790815 948978 1581630 2372445 4744890