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102360421 = 478721383
BaseRepresentation
bin1100001100111…
…10010101100101
321010121110002201
412012132111211
5202201013141
614053534501
72352022612
oct606362545
9233543081
10102360421
1152863999
122a344431
131828bcc7
14d847509
158ebe031
hex619e565

102360421 has 4 divisors (see below), whose sum is σ = 102386592. Its totient is φ = 102334252.

The previous prime is 102360403. The next prime is 102360439. The reversal of 102360421 is 124063201.

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 an interprime number because it is at equal distance from previous prime (102360403) and next prime (102360439).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102360421 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 (102360491) 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, 5905 + ... + 15478.

It is an arithmetic number, because the mean of its divisors is an integer number (25596648).

Almost surely, 2102360421 is an apocalyptic number.

It is an amenable number.

102360421 is a deficient number, since it is larger than the sum of its proper divisors (26171).

102360421 is an equidigital number, since it uses as much as digits as its factorization.

102360421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26170.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102360421 is about 10117.3327018538. The cubic root of 102360421 is about 467.7825544622.

The spelling of 102360421 in words is "one hundred two million, three hundred sixty thousand, four hundred twenty-one".

Divisors: 1 4787 21383 102360421