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100115893 = 719471489
BaseRepresentation
bin1011111011110…
…10010110110101
320222101102012001
411331322112311
5201112202033
613533455301
72323654033
oct575722665
9228342161
10100115893
1151570609
1229641531
1317984497
14d421553
158bc8e7d
hex5f7a5b5

100115893 has 8 divisors (see below), whose sum is σ = 101701440. Its totient is φ = 98535360.

The previous prime is 100115819. The next prime is 100115903. The reversal of 100115893 is 398511001.

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

It is a cyclic number.

It is not a de Polignac number, because 100115893 - 29 = 100115381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66493 + ... + 67981.

It is an arithmetic number, because the mean of its divisors is an integer number (12712680).

Almost surely, 2100115893 is an apocalyptic number.

It is an amenable number.

100115893 is a deficient number, since it is larger than the sum of its proper divisors (1585547).

100115893 is an equidigital number, since it uses as much as digits as its factorization.

100115893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 100115893 is about 10005.7929720737. The cubic root of 100115893 is about 464.3381233551.

Adding to 100115893 its reverse (398511001), we get a palindrome (498626894).

The spelling of 100115893 in words is "one hundred million, one hundred fifteen thousand, eight hundred ninety-three".

Divisors: 1 71 947 1489 67237 105719 1410083 100115893