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105072998 = 2238921991
BaseRepresentation
bin1100100001101…
…00100101100110
321022201021001112
412100310211212
5203344313443
614232025022
72414051162
oct620644546
9238637045
10105072998
1154346998
122b232172
13189cb894
14dd51ca2
159357b18
hex6434966

105072998 has 8 divisors (see below), whose sum is σ = 157682640. Its totient is φ = 52512120.

The previous prime is 105072997. The next prime is 105073013. The reversal of 105072998 is 899270501.

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

It is a super-2 number, since 2×1050729982 = 22080669817416008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105072991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6218 + ... + 15773.

It is an arithmetic number, because the mean of its divisors is an integer number (19710330).

Almost surely, 2105072998 is an apocalyptic number.

105072998 is a deficient number, since it is larger than the sum of its proper divisors (52609642).

105072998 is a wasteful number, since it uses less digits than its factorization.

105072998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24382.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 105072998 is about 10250.5120847692. The cubic root of 105072998 is about 471.8787003964.

The spelling of 105072998 in words is "one hundred five million, seventy-two thousand, nine hundred ninety-eight".

Divisors: 1 2 2389 4778 21991 43982 52536499 105072998