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102022 = 2291759
BaseRepresentation
bin11000111010000110
312011221121
4120322012
511231042
62104154
7603304
oct307206
9164847
10102022
116a718
124b05a
133758b
1429274
1520367
hex18e86

102022 has 8 divisors (see below), whose sum is σ = 158400. Its totient is φ = 49224.

The previous prime is 102019. The next prime is 102023. The reversal of 102022 is 220201.

Adding to 102022 its reverse (220201), we get a palindrome (322223).

It is a happy number.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 101996 and 102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023) 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, 822 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (19800).

2102022 is an apocalyptic number.

102022 is a deficient number, since it is larger than the sum of its proper divisors (56378).

102022 is a wasteful number, since it uses less digits than its factorization.

102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 102022 is about 319.4088289325. The cubic root of 102022 is about 46.7266462327.

The spelling of 102022 in words is "one hundred two thousand, twenty-two", and thus it is an iban number.

Divisors: 1 2 29 58 1759 3518 51011 102022