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43490468 = 2271981749
BaseRepresentation
bin1010010111100…
…1110010100100
310000211112201002
42211321302210
542113143333
64152052432
71035443240
oct245716244
9100745632
1043490468
112260503a
1212694118
139019508
145ac1420
153c410e8
hex2979ca4

43490468 has 24 divisors (see below), whose sum is σ = 91560000. Its totient is φ = 17657568.

The previous prime is 43490467. The next prime is 43490477. The reversal of 43490468 is 86409434.

43490468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (43490467) 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 7 ways as a sum of consecutive naturals, for example, 40343 + ... + 41406.

It is an arithmetic number, because the mean of its divisors is an integer number (3815000).

Almost surely, 243490468 is an apocalyptic number.

It is an amenable number.

43490468 is an abundant number, since it is smaller than the sum of its proper divisors (48069532).

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

43490468 is a wasteful number, since it uses less digits than its factorization.

43490468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81779 (or 81777 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 43490468 is about 6594.7303204907. The cubic root of 43490468 is about 351.6667925498. Note that the first 3 decimals are identical.

The spelling of 43490468 in words is "forty-three million, four hundred ninety thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 81749 163498 326996 572243 1144486 1553231 2288972 3106462 6212924 10872617 21745234 43490468