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51350601 = 331571967
BaseRepresentation
bin1100001111100…
…0110001001001
310120121212210010
43003320301021
5101121204401
65032342133
71162321131
oct303706111
9116555703
1051350601
1126a93515
1215244949
13a83c093
146b69ac1
154794ed6
hex30f8c49

51350601 has 16 divisors (see below), whose sum is σ = 70873088. Its totient is φ = 33037200.

The previous prime is 51350599. The next prime is 51350603. The reversal of 51350601 is 10605315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51350599) and next prime (51350603).

It is not a de Polignac number, because 51350601 - 21 = 51350599 is a prime.

It is a super-2 number, since 2×513506012 = 5273768446122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51350603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52620 + ... + 53586.

It is an arithmetic number, because the mean of its divisors is an integer number (4429568).

Almost surely, 251350601 is an apocalyptic number.

It is an amenable number.

51350601 is a deficient number, since it is larger than the sum of its proper divisors (19522487).

51350601 is a wasteful number, since it uses less digits than its factorization.

51350601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 51350601 is about 7165.9333655847. The cubic root of 51350601 is about 371.6908273443.

Adding to 51350601 its reverse (10605315), we get a palindrome (61955916).

The spelling of 51350601 in words is "fifty-one million, three hundred fifty thousand, six hundred one".

Divisors: 1 3 31 93 571 967 1713 2901 17701 29977 53103 89931 552157 1656471 17116867 51350601