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70389201 = 3107219281
BaseRepresentation
bin1000011001000…
…00110111010001
311220110010211110
410030200313101
5121004423301
610552403533
71513204221
oct414406721
9156403743
1070389201
11368074a3
121b6a65a9
1311776a1c
1494c4081
1562a60d6
hex4320dd1

70389201 has 8 divisors (see below), whose sum is σ = 94729824. Its totient is φ = 46487360.

The previous prime is 70389199. The next prime is 70389227. The reversal of 70389201 is 10298307.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70389201 - 21 = 70389199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70389701) 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 7 ways as a sum of consecutive naturals, for example, 109320 + ... + 109961.

It is an arithmetic number, because the mean of its divisors is an integer number (11841228).

Almost surely, 270389201 is an apocalyptic number.

It is an amenable number.

70389201 is a deficient number, since it is larger than the sum of its proper divisors (24340623).

70389201 is a wasteful number, since it uses less digits than its factorization.

70389201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219391.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 70389201 is about 8389.8272330245. The cubic root of 70389201 is about 412.8909322375.

The spelling of 70389201 in words is "seventy million, three hundred eighty-nine thousand, two hundred one".

Divisors: 1 3 107 321 219281 657843 23463067 70389201