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101000402 = 250500201
BaseRepresentation
bin1100000010100…
…10010011010010
321001001100111122
412001102103102
5201324003102
614004442242
72334326546
oct601222322
9231040448
10101000402
1152015108
12299a9382
1317c03c69
14d5b1a26
158d010a2
hex60524d2

101000402 has 4 divisors (see below), whose sum is σ = 151500606. Its totient is φ = 50500200.

The previous prime is 101000401. The next prime is 101000407. The reversal of 101000402 is 204000101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204000101 = 1071906543.

It can be written as a sum of positive squares in only one way, i.e., 79941481 + 21058921 = 8941^2 + 4589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101000402.

It is not an unprimeable number, because it can be changed into a prime (101000401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250099 + ... + 25250102.

Almost surely, 2101000402 is an apocalyptic number.

101000402 is a deficient number, since it is larger than the sum of its proper divisors (50500204).

101000402 is an equidigital number, since it uses as much as digits as its factorization.

101000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50500203.

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

The square root of 101000402 is about 10049.8956213485. The cubic root of 101000402 is about 465.7015686402.

Adding to 101000402 its reverse (204000101), we get a palindrome (305000503).

The spelling of 101000402 in words is "one hundred one million, four hundred two", and thus it is an aban number.

Divisors: 1 2 50500201 101000402