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200030501 = 1171256121
BaseRepresentation
bin10111110110000…
…11100100100101
3111221101121021002
423323003210211
5402201434001
631503203045
74646142206
oct1373034445
9457347232
10200030501
11a2a03970
1256ba6485
1332598158
141c7cd5ad
151286346b
hexbec3925

200030501 has 8 divisors (see below), whose sum is σ = 221289408. Its totient is φ = 179284000.

The previous prime is 200030497. The next prime is 200030561. The reversal of 200030501 is 105030002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200030501 - 22 = 200030497 is a prime.

It is a super-2 number, since 2×2000305012 = 80024402660622002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200030561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127280 + ... + 128841.

It is an arithmetic number, because the mean of its divisors is an integer number (27661176).

Almost surely, 2200030501 is an apocalyptic number.

It is an amenable number.

200030501 is a deficient number, since it is larger than the sum of its proper divisors (21258907).

200030501 is a wasteful number, since it uses less digits than its factorization.

200030501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256203.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 200030501 is about 14143.2139558164. The cubic root of 200030501 is about 584.8332746198.

Adding to 200030501 its reverse (105030002), we get a palindrome (305060503).

The spelling of 200030501 in words is "two hundred million, thirty thousand, five hundred one".

Divisors: 1 11 71 781 256121 2817331 18184591 200030501