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67490970 = 2352397813
BaseRepresentation
bin1000000010111…
…01010010011010
311200222220012120
410001131102122
5114234202340
610410322110
71446443451
oct401352232
9150886176
1067490970
1135107a68
121a729336
1310ca07b1
148d6bb98
155dd24d0
hex405d49a

67490970 has 32 divisors (see below), whose sum is σ = 169022592. Its totient is φ = 17214912.

The previous prime is 67490963. The next prime is 67490977. The reversal of 67490970 is 7909476.

It is an interprime number because it is at equal distance from previous prime (67490963) and next prime (67490977).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67490977) 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 15 ways as a sum of consecutive naturals, for example, 48217 + ... + 49596.

It is an arithmetic number, because the mean of its divisors is an integer number (5281956).

Almost surely, 267490970 is an apocalyptic number.

67490970 is an abundant number, since it is smaller than the sum of its proper divisors (101531622).

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

67490970 is a wasteful number, since it uses less digits than its factorization.

67490970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97846.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 67490970 is about 8215.2887958976. The cubic root of 67490970 is about 407.1444852417.

The spelling of 67490970 in words is "sixty-seven million, four hundred ninety thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 97813 195626 293439 489065 586878 978130 1467195 2249699 2934390 4499398 6749097 11248495 13498194 22496990 33745485 67490970