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202000004 = 2250500001
BaseRepresentation
bin11000000101001…
…00011010000100
3112002002122220122
430002210122010
5403203000004
632013321112
75001654203
oct1402443204
9462078818
10202000004
11a4029658
1257796198
1332b0773b
141cb8323a
1512b01cbe
hexc0a4684

202000004 has 6 divisors (see below), whose sum is σ = 353500014. Its totient is φ = 101000000.

The previous prime is 202000003. The next prime is 202000021. The reversal of 202000004 is 400000202.

Adding to 202000004 its reverse (400000202), we get a palindrome (602000206).

It can be written as a sum of positive squares in only one way, i.e., 136422400 + 65577604 = 11680^2 + 8098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201999955 and 202000000.

It is not an unprimeable number, because it can be changed into a prime (202000003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25249997 + ... + 25250004.

It is an arithmetic number, because the mean of its divisors is an integer number (58916669).

Almost surely, 2202000004 is an apocalyptic number.

It is an amenable number.

202000004 is a deficient number, since it is larger than the sum of its proper divisors (151500010).

202000004 is a wasteful number, since it uses less digits than its factorization.

202000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500005 (or 50500003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 202000004 is about 14212.6705442714. The cubic root of 202000004 is about 586.7464347172.

The spelling of 202000004 in words is "two hundred two million, four", and thus it is an aban number.

Divisors: 1 2 4 50500001 101000002 202000004