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698420142 = 232731178807
BaseRepresentation
bin101001101000010…
…000101110101110
31210200012102022200
4221220100232232
52412243421032
6153145322330
723210321220
oct5150205656
91720172280
10698420142
11329270432
12175a963a6
13b1908274
1468a86410
15414ae47c
hex29a10bae

698420142 has 48 divisors (see below), whose sum is σ = 1785219072. Its totient is φ = 193110480.

The previous prime is 698420131. The next prime is 698420179. The reversal of 698420142 is 241024896.

698420142 is a `hidden beast` number, since 6 + 98 + 420 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 698420097 and 698420106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85498 + ... + 93309.

It is an arithmetic number, because the mean of its divisors is an integer number (37192064).

Almost surely, 2698420142 is an apocalyptic number.

698420142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

698420142 is an abundant number, since it is smaller than the sum of its proper divisors (1086798930).

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

698420142 is a wasteful number, since it uses less digits than its factorization.

698420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178853 (or 178850 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 698420142 is about 26427.6397357010. The cubic root of 698420142 is about 887.2355165605.

The spelling of 698420142 in words is "six hundred ninety-eight million, four hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 62 63 93 126 186 217 279 434 558 651 1302 1953 3906 178807 357614 536421 1072842 1251649 1609263 2503298 3218526 3754947 5543017 7509894 11086034 11264841 16629051 22529682 33258102 38801119 49887153 77602238 99774306 116403357 232806714 349210071 698420142