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102134554 = 263897993
BaseRepresentation
bin1100001011001…
…11001100011010
321010011222021021
412011213030122
5202121301204
614045033054
72350062244
oct605471432
9233158237
10102134554
115271a225
122a25578a
1318210262
14d7c9094
158e77154
hex616731a

102134554 has 8 divisors (see below), whose sum is σ = 153244980. Its totient is φ = 51052896.

The previous prime is 102134507. The next prime is 102134563. The reversal of 102134554 is 455431201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68807025 + 33327529 = 8295^2 + 5773^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 8782 + ... + 16774.

Almost surely, 2102134554 is an apocalyptic number.

102134554 is a deficient number, since it is larger than the sum of its proper divisors (51110426).

102134554 is an equidigital number, since it uses as much as digits as its factorization.

102134554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 102134554 is about 10106.1641585717. The cubic root of 102134554 is about 467.4382337111.

Adding to 102134554 its reverse (455431201), we get a palindrome (557565755).

The spelling of 102134554 in words is "one hundred two million, one hundred thirty-four thousand, five hundred fifty-four".

Divisors: 1 2 6389 7993 12778 15986 51067277 102134554