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102532213 = 714647459
BaseRepresentation
bin1100001110010…
…00010001110101
321010221011202101
412013020101311
5202222012323
614101342101
72353336510
oct607102165
9233834671
10102532213
1152970a73
122a407931
131831c264
14d88dd77
159004dad
hex61c8475

102532213 has 4 divisors (see below), whose sum is σ = 117179680. Its totient is φ = 87884748.

The previous prime is 102532211. The next prime is 102532237. The reversal of 102532213 is 312235201.

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 not a de Polignac number, because 102532213 - 21 = 102532211 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 (102532211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7323723 + ... + 7323736.

It is an arithmetic number, because the mean of its divisors is an integer number (29294920).

Almost surely, 2102532213 is an apocalyptic number.

It is an amenable number.

102532213 is a deficient number, since it is larger than the sum of its proper divisors (14647467).

102532213 is an equidigital number, since it uses as much as digits as its factorization.

102532213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14647466.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102532213 is about 10125.8191273595. The cubic root of 102532213 is about 468.0441021214.

Adding to 102532213 its reverse (312235201), we get a palindrome (414767414).

The spelling of 102532213 in words is "one hundred two million, five hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 7 14647459 102532213