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852720402 = 23142120067
BaseRepresentation
bin110010110100110…
…111101100010010
32012102112200111010
4302310313230102
53221244023102
6220340431350
730063001212
oct6264675422
92172480433
10852720402
113a837a506
121b96a8556
131078815b1
1481370242
154ecdcd6c
hex32d37b12

852720402 has 8 divisors (see below), whose sum is σ = 1705440816. Its totient is φ = 284240132.

The previous prime is 852720371. The next prime is 852720431. The reversal of 852720402 is 204027258.

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

852720402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 852720402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71060028 + ... + 71060039.

It is an arithmetic number, because the mean of its divisors is an integer number (213180102).

Almost surely, 2852720402 is an apocalyptic number.

852720402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852720402 is a wasteful number, since it uses less digits than its factorization.

852720402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142120072.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 852720402 is about 29201.3767141209. The cubic root of 852720402 is about 948.2777297864.

The spelling of 852720402 in words is "eight hundred fifty-two million, seven hundred twenty thousand, four hundred two".

Divisors: 1 2 3 6 142120067 284240134 426360201 852720402