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202148001 = 3311680633
BaseRepresentation
bin11000000110010…
…00100010100001
3112002101011221000
430003020202201
5403222214001
632020422213
75003141526
oct1403104241
9462334830
10202148001
11a411a870
1257847969
1332b59c03
141cbc114d
1512b30a86
hexc0c88a1

202148001 has 16 divisors (see below), whose sum is σ = 326704320. Its totient is φ = 122513760.

The previous prime is 202147991. The next prime is 202148017. The reversal of 202148001 is 100841202.

It is not a de Polignac number, because 202148001 - 26 = 202147937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202148041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340020 + ... + 340613.

It is an arithmetic number, because the mean of its divisors is an integer number (20419020).

Almost surely, 2202148001 is an apocalyptic number.

It is an amenable number.

202148001 is a deficient number, since it is larger than the sum of its proper divisors (124556319).

202148001 is a wasteful number, since it uses less digits than its factorization.

202148001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680653 (or 680647 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 202148001 is about 14217.8761072110. The cubic root of 202148001 is about 586.8896946376.

Adding to 202148001 its reverse (100841202), we get a palindrome (302989203).

The spelling of 202148001 in words is "two hundred two million, one hundred forty-eight thousand, one".

Divisors: 1 3 9 11 27 33 99 297 680633 2041899 6125697 7486963 18377091 22460889 67382667 202148001