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99680258 = 2131380459
BaseRepresentation
bin1011111000100…
…00000000000010
320221120021121102
411330100000002
5201004232013
613520254402
72320160666
oct574200002
9227507542
1099680258
11512a3287
1229471402
1317861102
14d34a8a6
158b3ed58
hex5f10002

99680258 has 8 divisors (see below), whose sum is σ = 150662160. Its totient is φ = 49459540.

The previous prime is 99680249. The next prime is 99680281. The reversal of 99680258 is 85208699.

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

It is a super-3 number, since 3×996802583 (a number of 25 digits) contains 333 as substring.

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, 189968 + ... + 190491.

It is an arithmetic number, because the mean of its divisors is an integer number (18832770).

Almost surely, 299680258 is an apocalyptic number.

99680258 is a deficient number, since it is larger than the sum of its proper divisors (50981902).

99680258 is a wasteful number, since it uses less digits than its factorization.

99680258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380592.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 99680258 is about 9984.0001001603. Note that the first 3 decimals coincide. The cubic root of 99680258 is about 463.6636515320.

The spelling of 99680258 in words is "ninety-nine million, six hundred eighty thousand, two hundred fifty-eight".

Divisors: 1 2 131 262 380459 760918 49840129 99680258