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1924480390 = 25731314283
BaseRepresentation
bin111001010110101…
…0011110110000110
311222010020201210111
41302231103312012
512420131333030
6514544143234
765455546000
oct16255236606
94863221714
101924480390
118a8356668
12458607b1a
132489253c1
1414383b370
15b3e4662a
hex72b53d86

1924480390 has 64 divisors (see below), whose sum is σ = 4071513600. Its totient is φ = 654632160.

The previous prime is 1924480331. The next prime is 1924480447. The reversal of 1924480390 is 930844291.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447189 + ... + 451471.

It is an arithmetic number, because the mean of its divisors is an integer number (63617400).

Almost surely, 21924480390 is an apocalyptic number.

1924480390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1924480390 is an abundant number, since it is smaller than the sum of its proper divisors (2147033210).

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

1924480390 is a wasteful number, since it uses less digits than its factorization.

1924480390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4428 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1924480390 is about 43868.9000317993. The cubic root of 1924480390 is about 1243.8590300621.

The spelling of 1924480390 in words is "one billion, nine hundred twenty-four million, four hundred eighty thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 131 245 262 343 490 655 686 917 1310 1715 1834 3430 4283 4585 6419 8566 9170 12838 21415 29981 32095 42830 44933 59962 64190 89866 149905 209867 224665 299810 419734 449330 561073 1049335 1122146 1469069 2098670 2805365 2938138 3927511 5610730 7345345 7855022 14690690 19637555 27492577 39275110 54985154 137462885 192448039 274925770 384896078 962240195 1924480390