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102893555 = 571289841
BaseRepresentation
bin1100010001000…
…00011111110011
321011121112102102
412020200133303
5202320043210
614113211015
72356403132
oct610403763
9234545372
10102893555
11530984a6
122a560a6b
131841787b
14d945919
159076ea5
hex62207f3

102893555 has 8 divisors (see below), whose sum is σ = 125211744. Its totient is φ = 81155200.

The previous prime is 102893533. The next prime is 102893591. The reversal of 102893555 is 555398201.

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

It is not a de Polignac number, because 102893555 - 226 = 35784691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144566 + ... + 145275.

It is an arithmetic number, because the mean of its divisors is an integer number (15651468).

Almost surely, 2102893555 is an apocalyptic number.

102893555 is a deficient number, since it is larger than the sum of its proper divisors (22318189).

102893555 is an equidigital number, since it uses as much as digits as its factorization.

102893555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289917.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 102893555 is about 10143.6460407489. The cubic root of 102893555 is about 468.5932814171.

The spelling of 102893555 in words is "one hundred two million, eight hundred ninety-three thousand, five hundred fifty-five".

Divisors: 1 5 71 355 289841 1449205 20578711 102893555