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102011202 = 23211350153
BaseRepresentation
bin1100001010010…
…01000101000010
321002221201001200
412011021011002
5202103324302
614042242030
72346036516
oct605110502
9232851050
10102011202
1152645587
122a1b6316
1318199077
14d796146
158e5081c
hex6149142

102011202 has 24 divisors (see below), whose sum is σ = 222984684. Its totient is φ = 33702144.

The previous prime is 102011191. The next prime is 102011207. The reversal of 102011202 is 202110201.

It can be written as a sum of positive squares in 2 ways, for example, as 92332881 + 9678321 = 9609^2 + 3111^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (102011207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23043 + ... + 27110.

Almost surely, 2102011202 is an apocalyptic number.

102011202 is an abundant number, since it is smaller than the sum of its proper divisors (120973482).

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

102011202 is a wasteful number, since it uses less digits than its factorization.

102011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50274 (or 50271 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 102011202 is about 10100.0595047752. The cubic root of 102011202 is about 467.2499765971.

Adding to 102011202 its reverse (202110201), we get a palindrome (304121403).

The spelling of 102011202 in words is "one hundred two million, eleven thousand, two hundred two".

Divisors: 1 2 3 6 9 18 113 226 339 678 1017 2034 50153 100306 150459 300918 451377 902754 5667289 11334578 17001867 34003734 51005601 102011202