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105551995 = 552140519
BaseRepresentation
bin1100100101010…
…01100001111011
321100121121010011
412102221201323
5204010130440
614250202351
72421114523
oct622514173
9240547104
10105551995
115464385a
122b4233b7
1318b38903
1410038683
1593ee9ea
hex64a987b

105551995 has 8 divisors (see below), whose sum is σ = 126908640. Its totient is φ = 84277440.

The previous prime is 105551987. The next prime is 105552017. The reversal of 105551995 is 599155501.

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

It is not a de Polignac number, because 105551995 - 23 = 105551987 is a prime.

It is a super-2 number, since 2×1055519952 = 22282447296960050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17655 + ... + 22864.

It is an arithmetic number, because the mean of its divisors is an integer number (15863580).

Almost surely, 2105551995 is an apocalyptic number.

105551995 is a deficient number, since it is larger than the sum of its proper divisors (21356645).

105551995 is an equidigital number, since it uses as much as digits as its factorization.

105551995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41045.

The product of its (nonzero) digits is 50625, while the sum is 40.

The square root of 105551995 is about 10273.8500573057. The cubic root of 105551995 is about 472.5946657650.

The spelling of 105551995 in words is "one hundred five million, five hundred fifty-one thousand, nine hundred ninety-five".

Divisors: 1 5 521 2605 40519 202595 21110399 105551995