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51054002 = 237368437
BaseRepresentation
bin1100001011000…
…0010110110010
310120001210220222
43002300112302
5101032212002
65022133042
71156644326
oct302602662
9116053828
1051054002
112690069a
1215121182
13a76708c
146acd986
1547371a2
hex30b05b2

51054002 has 8 divisors (see below), whose sum is σ = 76787436. Its totient is φ = 25458192.

The previous prime is 51054001. The next prime is 51054013. The reversal of 51054002 is 20045015.

It can be written as a sum of positive squares in 2 ways, for example, as 50822641 + 231361 = 7129^2 + 481^2 .

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

It is a super-2 number, since 2×510540022 = 5213022240432008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51054001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33473 + ... + 34964.

Almost surely, 251054002 is an apocalyptic number.

51054002 is a deficient number, since it is larger than the sum of its proper divisors (25733434).

51054002 is a wasteful number, since it uses less digits than its factorization.

51054002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68812.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 51054002 is about 7145.2083244647. The cubic root of 51054002 is about 370.9738213596.

Adding to 51054002 its reverse (20045015), we get a palindrome (71099017).

The spelling of 51054002 in words is "fifty-one million, fifty-four thousand, two".

Divisors: 1 2 373 746 68437 136874 25527001 51054002