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472451293 = 1273937087
BaseRepresentation
bin11100001010010…
…000100011011101
31012221000000100001
4130022100203131
51431421420133
6114514134301
714464525006
oct3412204335
91187000301
10472451293
11222760716
12112281391
1376b5aaa2
1446a641ad
152b72587d
hex1c2908dd

472451293 has 4 divisors (see below), whose sum is σ = 472501120. Its totient is φ = 472401468.

The previous prime is 472451281. The next prime is 472451327. The reversal of 472451293 is 392154274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472451293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472451263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5805 + ... + 31282.

It is an arithmetic number, because the mean of its divisors is an integer number (118125280).

Almost surely, 2472451293 is an apocalyptic number.

It is an amenable number.

472451293 is a deficient number, since it is larger than the sum of its proper divisors (49827).

472451293 is a wasteful number, since it uses less digits than its factorization.

472451293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49826.

The product of its digits is 60480, while the sum is 37.

The square root of 472451293 is about 21735.9447229698. The cubic root of 472451293 is about 778.8473513093.

The spelling of 472451293 in words is "four hundred seventy-two million, four hundred fifty-one thousand, two hundred ninety-three".

Divisors: 1 12739 37087 472451293