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61052225 = 5213199887
BaseRepresentation
bin1110100011100…
…1010101000001
311020212202220112
43220321111001
5111112132400
610020321105
71340635553
oct350712501
9136782815
1061052225
113150a493
1218543195
13c857ba0
1481734d3
15555e835
hex3a39541

61052225 has 24 divisors (see below), whose sum is σ = 85827840. Its totient is φ = 42707520.

The previous prime is 61052203. The next prime is 61052249. The reversal of 61052225 is 52225016.

It is not a de Polignac number, because 61052225 - 26 = 61052161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61052225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1232 + ... + 11118.

It is an arithmetic number, because the mean of its divisors is an integer number (3576160).

Almost surely, 261052225 is an apocalyptic number.

61052225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61052225 is a deficient number, since it is larger than the sum of its proper divisors (24775615).

61052225 is a wasteful number, since it uses less digits than its factorization.

61052225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929 (or 9924 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 61052225 is about 7813.5923236371. The cubic root of 61052225 is about 393.7620270115.

The spelling of 61052225 in words is "sixty-one million, fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 13 19 25 65 95 247 325 475 1235 6175 9887 49435 128531 187853 247175 642655 939265 2442089 3213275 4696325 12210445 61052225