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67120706 = 2228114713
BaseRepresentation
bin1000000000000…
…10111001000010
311200022002022002
410000002321002
5114140330311
610354344002
71443342122
oct400027102
9150262262
1067120706
1134984864
121a58b002
1310ba10c3
148cb2c82
155d5c93b
hex4002e42

67120706 has 8 divisors (see below), whose sum is σ = 100732044. Its totient is φ = 33543360.

The previous prime is 67120699. The next prime is 67120717. The reversal of 67120706 is 60702176.

It can be written as a sum of positive squares in 2 ways, for example, as 65044225 + 2076481 = 8065^2 + 1441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795 + ... + 11918.

Almost surely, 267120706 is an apocalyptic number.

67120706 is a deficient number, since it is larger than the sum of its proper divisors (33611338).

67120706 is a wasteful number, since it uses less digits than its factorization.

67120706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16996.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 67120706 is about 8192.7227464378. The cubic root of 67120706 is about 406.3985707952.

The spelling of 67120706 in words is "sixty-seven million, one hundred twenty thousand, seven hundred six".

Divisors: 1 2 2281 4562 14713 29426 33560353 67120706