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52451225 = 523167679
BaseRepresentation
bin1100100000010…
…1011110011001
310122200210112222
43020011132121
5101411414400
65112113425
71204554011
oct310053631
9118623488
1052451225
1127675422
1215695875
13ab36038
146d74c41
154911185
hex3205799

52451225 has 12 divisors (see below), whose sum is σ = 67138560. Its totient is φ = 40606800.

The previous prime is 52451213. The next prime is 52451249. The reversal of 52451225 is 52215425.

It is not a de Polignac number, because 52451225 - 216 = 52385689 is a prime.

It is a super-2 number, since 2×524512252 = 5502262008001250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52451194 and 52451203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33065 + ... + 34614.

It is an arithmetic number, because the mean of its divisors is an integer number (5594880).

Almost surely, 252451225 is an apocalyptic number.

It is an amenable number.

52451225 is a deficient number, since it is larger than the sum of its proper divisors (14687335).

52451225 is a wasteful number, since it uses less digits than its factorization.

52451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67720 (or 67715 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 52451225 is about 7242.3217962198. The cubic root of 52451225 is about 374.3276247810.

The spelling of 52451225 in words is "fifty-two million, four hundred fifty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 31 155 775 67679 338395 1691975 2098049 10490245 52451225