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BaseRepresentation
bin11100001001011…
…111011110001011
31012220121210120001
4130021133132023
51431344002001
6114505543431
714463026614
oct3411373613
91186553501
10472250251
11222633670
121121a4b77
1376aba425
1446a10c0b
152b6d6001
hex1c25f78b

472250251 has 4 divisors (see below), whose sum is σ = 515182104. Its totient is φ = 429318400.

The previous prime is 472250221. The next prime is 472250257. The reversal of 472250251 is 152052274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472250251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472250257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21465910 + ... + 21465931.

It is an arithmetic number, because the mean of its divisors is an integer number (128795526).

Almost surely, 2472250251 is an apocalyptic number.

472250251 is a deficient number, since it is larger than the sum of its proper divisors (42931853).

472250251 is a wasteful number, since it uses less digits than its factorization.

472250251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42931852.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 472250251 is about 21731.3195871765. The cubic root of 472250251 is about 778.7368614403.

The spelling of 472250251 in words is "four hundred seventy-two million, two hundred fifty thousand, two hundred fifty-one".

Divisors: 1 11 42931841 472250251