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67520196 = 2233625187
BaseRepresentation
bin1000000011001…
…00011011000100
311201001101022000
410001210123010
5114241121241
610411105300
71446624612
oct401443304
9151041260
1067520196
1135127a17
121a742230
1310cb0ba3
148d786b2
155ddaeb6
hex40646c4

67520196 has 24 divisors (see below), whose sum is σ = 175052640. Its totient is φ = 22506696.

The previous prime is 67520147. The next prime is 67520237. The reversal of 67520196 is 69102576.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 67520196.

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, 312486 + ... + 312701.

It is an arithmetic number, because the mean of its divisors is an integer number (7293860).

Almost surely, 267520196 is an apocalyptic number.

It is an amenable number.

67520196 is an abundant number, since it is smaller than the sum of its proper divisors (107532444).

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

67520196 is a wasteful number, since it uses less digits than its factorization.

67520196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625200 (or 625192 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 67520196 is about 8217.0673600744. The cubic root of 67520196 is about 407.2032461275.

The spelling of 67520196 in words is "sixty-seven million, five hundred twenty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 625187 1250374 1875561 2500748 3751122 5626683 7502244 11253366 16880049 22506732 33760098 67520196