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67303490 = 2529232081
BaseRepresentation
bin1000000001011…
…11100001000010
311200122101000212
410000233201002
5114212202430
610402314122
71445033042
oct400574102
9150571025
1067303490
1134a9a121
121a658942
1310c36367
148d1d722
155d96b95
hex402f842

67303490 has 16 divisors (see below), whose sum is σ = 125324280. Its totient is φ = 25992960.

The previous prime is 67303487. The next prime is 67303501. The reversal of 67303490 is 9430376.

It can be written as a sum of positive squares in 4 ways, for example, as 65918161 + 1385329 = 8119^2 + 1177^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115751 + ... + 116330.

Almost surely, 267303490 is an apocalyptic number.

67303490 is a deficient number, since it is larger than the sum of its proper divisors (58020790).

67303490 is a wasteful number, since it uses less digits than its factorization.

67303490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232117.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 67303490 is about 8203.8704280358. The cubic root of 67303490 is about 406.7671397659.

The spelling of 67303490 in words is "sixty-seven million, three hundred three thousand, four hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 232081 464162 1160405 2320810 6730349 13460698 33651745 67303490