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68002 = 2112281
BaseRepresentation
bin10000100110100010
310110021121
4100212202
54134002
61242454
7402154
oct204642
9113247
1068002
1147100
123342a
1324c4c
141aad4
1515237
hex109a2

68002 has 12 divisors (see below), whose sum is σ = 112518. Its totient is φ = 30800.

The previous prime is 67993. The next prime is 68023. The reversal of 68002 is 20086.

It can be written as a sum of positive squares in only one way, i.e., 53361 + 14641 = 231^2 + 121^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102 + ... + 382.

268002 is an apocalyptic number.

68002 is a deficient number, since it is larger than the sum of its proper divisors (44516).

68002 is a wasteful number, since it uses less digits than its factorization.

68002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 68002 is about 260.7719310049. The cubic root of 68002 is about 40.8169511775.

Adding to 68002 its reverse (20086), we get a palindrome (88088).

It can be divided in two parts, 6 and 8002, that added together give a palindrome (8008).

The spelling of 68002 in words is "sixty-eight thousand, two".

Divisors: 1 2 11 22 121 242 281 562 3091 6182 34001 68002