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102120541 = 313499439
BaseRepresentation
bin1100001011000…
…11110001011101
321010011021001021
412011203301131
5202120324131
614044444141
72350003345
oct605436135
9233137037
10102120541
115270a746
122a249651
1318206a73
14d7c3d25
158e72e11
hex6163c5d

102120541 has 8 divisors (see below), whose sum is σ = 105728000. Its totient is φ = 98532720.

The previous prime is 102120523. The next prime is 102120553. The reversal of 102120541 is 145021201.

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

It is a cyclic number.

It is not a de Polignac number, because 102120541 - 25 = 102120509 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 (102120521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6100 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (13216000).

Almost surely, 2102120541 is an apocalyptic number.

It is an amenable number.

102120541 is a deficient number, since it is larger than the sum of its proper divisors (3607459).

102120541 is an equidigital number, since it uses as much as digits as its factorization.

102120541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102120541 is about 10105.4708450423. The cubic root of 102120541 is about 467.4168550125.

Adding to 102120541 its reverse (145021201), we get a palindrome (247141742).

The spelling of 102120541 in words is "one hundred two million, one hundred twenty thousand, five hundred forty-one".

Divisors: 1 31 349 9439 10819 292609 3294211 102120541