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32148490 = 251121632
BaseRepresentation
bin111101010100…
…0110000001010
32020111022102211
41322220300022
531212222430
63105015334
7540154243
oct172506012
966438384
1032148490
1117168700
12a92454a
136877b9a
1443abcca
152c5072a
hex1ea8c0a

32148490 has 36 divisors (see below), whose sum is σ = 63998802. Its totient is φ = 11618640.

The previous prime is 32148481. The next prime is 32148499. The reversal of 32148490 is 9484123.

It is an interprime number because it is at equal distance from previous prime (32148481) and next prime (32148499).

It can be written as a sum of positive squares in only one way, i.e., 28933641 + 3214849 = 5379^2 + 1793^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (32148499) 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 17 ways as a sum of consecutive naturals, for example, 197149 + ... + 197311.

Almost surely, 232148490 is an apocalyptic number.

32148490 is a deficient number, since it is larger than the sum of its proper divisors (31850312).

32148490 is a wasteful number, since it uses less digits than its factorization.

32148490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 32148490 is about 5669.9638446819. The cubic root of 32148490 is about 317.9705219039.

The spelling of 32148490 in words is "thirty-two million, one hundred forty-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 121 163 242 326 605 815 1210 1630 1793 3586 8965 17930 19723 26569 39446 53138 98615 132845 197230 265690 292259 584518 1461295 2922590 3214849 6429698 16074245 32148490