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52145101 = 1919114369
BaseRepresentation
bin1100011011101…
…0101111001101
310122010020122001
43012322233031
5101322120401
65101352301
71202140351
oct306725715
9118106561
1052145101
1127486428
1215568691
13aa598b8
146cd5461
1548a0601
hex31babcd

52145101 has 8 divisors (see below), whose sum is σ = 55180800. Its totient is φ = 49138560.

The previous prime is 52145053. The next prime is 52145129. The reversal of 52145101 is 10154125.

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

It is not a de Polignac number, because 52145101 - 219 = 51620813 is a prime.

It is a super-2 number, since 2×521451012 = 5438223116600402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52149101) 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, 3556 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (6897600).

Almost surely, 252145101 is an apocalyptic number.

It is an amenable number.

52145101 is a deficient number, since it is larger than the sum of its proper divisors (3035699).

52145101 is a wasteful number, since it uses less digits than its factorization.

52145101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 52145101 is about 7221.1564863254. The cubic root of 52145101 is about 373.5979670460.

Adding to 52145101 its reverse (10154125), we get a palindrome (62299226).

The spelling of 52145101 in words is "fifty-two million, one hundred forty-five thousand, one hundred one".

Divisors: 1 19 191 3629 14369 273011 2744479 52145101