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66970034 = 2128326099
BaseRepresentation
bin1111111101111…
…0000110110010
311200000102121122
43333132012302
5114121020114
610351222242
71442143625
oct377360662
9150012548
1066970034
113489163a
121a517982
1310b4a651
148c73dbc
155d2ce8e
hex3fde1b2

66970034 has 8 divisors (see below), whose sum is σ = 100537200. Its totient is φ = 33457636.

The previous prime is 66969989. The next prime is 66970039. The reversal of 66970034 is 43007966.

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

It is a super-2 number, since 2×669700342 = 8969970907922312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66969976 and 66970003.

It is not an unprimeable number, because it can be changed into a prime (66970039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10484 + ... + 15615.

It is an arithmetic number, because the mean of its divisors is an integer number (12567150).

Almost surely, 266970034 is an apocalyptic number.

66970034 is a deficient number, since it is larger than the sum of its proper divisors (33567166).

66970034 is a wasteful number, since it uses less digits than its factorization.

66970034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27384.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 66970034 is about 8183.5221023713. The cubic root of 66970034 is about 406.0942495969.

The spelling of 66970034 in words is "sixty-six million, nine hundred seventy thousand, thirty-four".

Divisors: 1 2 1283 2566 26099 52198 33485017 66970034