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102164473 = 479213287
BaseRepresentation
bin1100001011011…
…10011111111001
321010020111022101
412011232133321
5202123230343
614045423401
72350245415
oct605563771
9233214271
10102164473
115273a754
122a26ab61
1318220a68
14d7d5d45
158e80e4d
hex616e7f9

102164473 has 4 divisors (see below), whose sum is σ = 102378240. Its totient is φ = 101950708.

The previous prime is 102164467. The next prime is 102164521. The reversal of 102164473 is 374461201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102164473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102161473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106165 + ... + 107122.

It is an arithmetic number, because the mean of its divisors is an integer number (25594560).

Almost surely, 2102164473 is an apocalyptic number.

It is an amenable number.

102164473 is a deficient number, since it is larger than the sum of its proper divisors (213767).

102164473 is an equidigital number, since it uses as much as digits as its factorization.

102164473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213766.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 102164473 is about 10107.6442853911. The cubic root of 102164473 is about 467.4838725884.

The spelling of 102164473 in words is "one hundred two million, one hundred sixty-four thousand, four hundred seventy-three".

Divisors: 1 479 213287 102164473