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830217052 = 22742170429
BaseRepresentation
bin110001011111000…
…001101101011100
32010212012101200201
4301133001231130
53200013421202
6214214233244
726400504610
oct6137015534
92125171621
10830217052
113966aa3a5
121b2055824
131030028c2
147c393340
154cd45387
hex317c1b5c

830217052 has 24 divisors (see below), whose sum is σ = 1664401760. Its totient is φ = 354957120.

The previous prime is 830217041. The next prime is 830217061. The reversal of 830217052 is 250712038.

It is a super-3 number, since 3×8302170523 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 830217052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23427 + ... + 47002.

Almost surely, 2830217052 is an apocalyptic number.

It is an amenable number.

830217052 is an abundant number, since it is smaller than the sum of its proper divisors (834184708).

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

830217052 is a wasteful number, since it uses less digits than its factorization.

830217052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70861 (or 70859 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 830217052 is about 28813.4873279858. The cubic root of 830217052 is about 939.8615504558.

The spelling of 830217052 in words is "eight hundred thirty million, two hundred seventeen thousand, fifty-two".

Divisors: 1 2 4 7 14 28 421 842 1684 2947 5894 11788 70429 140858 281716 493003 986006 1972012 29650609 59301218 118602436 207554263 415108526 830217052