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102220010 = 2510222001
BaseRepresentation
bin1100001011111…
…00000011101010
321010100022111022
412011330003222
5202132020020
614050532442
72350566344
oct605740352
9233308438
10102220010
1152778452
122a297122
1318240119
14d80c294
158e92625
hex617c0ea

102220010 has 8 divisors (see below), whose sum is σ = 183996036. Its totient is φ = 40888000.

The previous prime is 102220007. The next prime is 102220039. The reversal of 102220010 is 10022201.

It can be written as a sum of positive squares in 2 ways, for example, as 98029801 + 4190209 = 9901^2 + 2047^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102220010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110991 + ... + 5111010.

Almost surely, 2102220010 is an apocalyptic number.

102220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220010 is a deficient number, since it is larger than the sum of its proper divisors (81776026).

102220010 is a wasteful number, since it uses less digits than its factorization.

102220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222008.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 102220010 is about 10110.3911892666. The cubic root of 102220010 is about 467.5685659201.

Adding to 102220010 its reverse (10022201), we get a palindrome (112242211).

The spelling of 102220010 in words is "one hundred two million, two hundred twenty thousand, ten".

Divisors: 1 2 5 10 10222001 20444002 51110005 102220010