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4931490 = 235891847
BaseRepresentation
bin10010110011111110100010
3100021112201210
4102303332202
52230301430
6253410550
756626344
oct22637642
910245653
104931490
112869113
121799a56
131038855
14925294
156762b0
hex4b3fa2

4931490 has 32 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 1299584.

The previous prime is 4931489. The next prime is 4931497. The reversal of 4931490 is 941394.

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

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4931497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (374220).

Almost surely, 24931490 is an apocalyptic number.

4931490 is an abundant number, since it is smaller than the sum of its proper divisors (7043550).

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

4931490 is a wasteful number, since it uses less digits than its factorization.

4931490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4931490 is about 2220.6958368944. The cubic root of 4931490 is about 170.2129971484.

The spelling of 4931490 in words is "four million, nine hundred thirty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 1847 2670 3694 5541 9235 11082 18470 27705 55410 164383 328766 493149 821915 986298 1643830 2465745 4931490