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102201340 = 22520272521
BaseRepresentation
bin1100001011101…
…11011111111100
321010022100212211
412011313133330
5202130420330
614050310204
72350461043
oct605673774
9233270784
10102201340
115276541a
122a288364
1318234787
14d80555a
158e8bd2a
hex61777fc

102201340 has 24 divisors (see below), whose sum is σ = 214813872. Its totient is φ = 40844160.

The previous prime is 102201317. The next prime is 102201373. The reversal of 102201340 is 43102201.

It is a super-2 number, since 2×1022013402 = 20890227795591200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102201340.

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, 39280 + ... + 41800.

It is an arithmetic number, because the mean of its divisors is an integer number (8950578).

Almost surely, 2102201340 is an apocalyptic number.

102201340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201340 is an abundant number, since it is smaller than the sum of its proper divisors (112612532).

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

102201340 is a wasteful number, since it uses less digits than its factorization.

102201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557 (or 4555 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102201340 is about 10109.4678396046. The cubic root of 102201340 is about 467.5400977932.

Adding to 102201340 its reverse (43102201), we get a palindrome (145303541).

The spelling of 102201340 in words is "one hundred two million, two hundred one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2027 2521 4054 5042 8108 10084 10135 12605 20270 25210 40540 50420 5110067 10220134 20440268 25550335 51100670 102201340