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67048025 = 5211479509
BaseRepresentation
bin1111111111000…
…1001001011001
311200011101121012
43333301021121
5114131014100
610353023305
71442620202
oct377611131
9150141535
1067048025
11349351a0
121a554b35
1310b76cb5
148c945a9
155d46135
hex3ff1259

67048025 has 24 divisors (see below), whose sum is σ = 91065600. Its totient is φ = 48564800.

The previous prime is 67047989. The next prime is 67048073. The reversal of 67048025 is 52084076.

It is not a de Polignac number, because 67048025 - 28 = 67047769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67047982 and 67048000.

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, 131471 + ... + 131979.

It is an arithmetic number, because the mean of its divisors is an integer number (3794400).

Almost surely, 267048025 is an apocalyptic number.

It is an amenable number.

67048025 is a deficient number, since it is larger than the sum of its proper divisors (24017575).

67048025 is a wasteful number, since it uses less digits than its factorization.

67048025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 67048025 is about 8188.2858401499. The cubic root of 67048025 is about 406.2518295776.

The spelling of 67048025 in words is "sixty-seven million, forty-eight thousand, twenty-five".

Divisors: 1 5 11 25 55 275 479 509 2395 2545 5269 5599 11975 12725 26345 27995 131725 139975 243811 1219055 2681921 6095275 13409605 67048025