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102350420 = 2255396557
BaseRepresentation
bin1100001100110…
…11111001010100
321010120221101022
412012123321110
5202200203140
614053420312
72351651504
oct606337124
9233527338
10102350420
1152857427
122a33a698
13182875a3
14d843a04
158ebb0b5
hex619be54

102350420 has 24 divisors (see below), whose sum is σ = 218993544. Its totient is φ = 40167296.

The previous prime is 102350419. The next prime is 102350447. The reversal of 102350420 is 24053201.

It can be written as a sum of positive squares in 4 ways, for example, as 4656964 + 97693456 = 2158^2 + 9884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47219 + ... + 49338.

It is an arithmetic number, because the mean of its divisors is an integer number (9124731).

Almost surely, 2102350420 is an apocalyptic number.

102350420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102350420 is an abundant number, since it is smaller than the sum of its proper divisors (116643124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102350420 is a wasteful number, since it uses less digits than its factorization.

102350420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96619 (or 96617 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102350420 is about 10116.8384389591. The cubic root of 102350420 is about 467.7673192581.

The spelling of 102350420 in words is "one hundred two million, three hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 96557 193114 386228 482785 965570 1931140 5117521 10235042 20470084 25587605 51175210 102350420