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67053998 = 2113047909
BaseRepresentation
bin1111111111001…
…0100110101110
311200011200210102
43333302212232
5114131211443
610353111102
71442643464
oct377624656
9150150712
1067053998
1134939730
121a558492
1310b7992b
148c96834
155d47cb8
hex3ff29ae

67053998 has 8 divisors (see below), whose sum is σ = 109724760. Its totient is φ = 30479080.

The previous prime is 67053997. The next prime is 67054037. The reversal of 67053998 is 89935076.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67053997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523933 + ... + 1523976.

It is an arithmetic number, because the mean of its divisors is an integer number (13715595).

Almost surely, 267053998 is an apocalyptic number.

67053998 is a deficient number, since it is larger than the sum of its proper divisors (42670762).

67053998 is a wasteful number, since it uses less digits than its factorization.

67053998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047922.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 67053998 is about 8188.6505603793. The cubic root of 67053998 is about 406.2638929213.

The spelling of 67053998 in words is "sixty-seven million, fifty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 11 22 3047909 6095818 33526999 67053998