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870775401 = 31132568659
BaseRepresentation
bin110011111001101…
…111101001101001
32020200111222021210
4303321233221221
53240404303101
6222223423333
730402316536
oct6371575151
92220458253
10870775401
114075914a1
12203754b49
1310b533622
148390dd8d
15516a77d6
hex33e6fa69

870775401 has 8 divisors (see below), whose sum is σ = 1171308960. Its totient is φ = 575379392.

The previous prime is 870775387. The next prime is 870775417. The reversal of 870775401 is 104577078.

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 870775401 - 29 = 870774889 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 870775401.

It is not an unprimeable number, because it can be changed into a prime (870775441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283991 + ... + 1284668.

It is an arithmetic number, because the mean of its divisors is an integer number (146413620).

Almost surely, 2870775401 is an apocalyptic number.

It is an amenable number.

870775401 is a deficient number, since it is larger than the sum of its proper divisors (300533559).

870775401 is a wasteful number, since it uses less digits than its factorization.

870775401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568775.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 870775401 is about 29508.9037580185. The cubic root of 870775401 is about 954.9237993713.

The spelling of 870775401 in words is "eight hundred seventy million, seven hundred seventy-five thousand, four hundred one".

Divisors: 1 3 113 339 2568659 7705977 290258467 870775401