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67252053 = 3117327917
BaseRepresentation
bin1000000001000…
…10111101010101
311200112202110210
410000202331111
5114204031203
610401240033
71444430061
oct400427525
9150482423
1067252053
1134a64510
121a633019
1310c18b1b
148d08aa1
155d86803
hex4022f55

67252053 has 16 divisors (see below), whose sum is σ = 99164736. Its totient is φ = 40199040.

The previous prime is 67252037. The next prime is 67252061. The reversal of 67252053 is 35025276.

It is not a de Polignac number, because 67252053 - 24 = 67252037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67252053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67252093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11550 + ... + 16367.

It is an arithmetic number, because the mean of its divisors is an integer number (6197796).

Almost surely, 267252053 is an apocalyptic number.

It is an amenable number.

67252053 is a deficient number, since it is larger than the sum of its proper divisors (31912683).

67252053 is a wasteful number, since it uses less digits than its factorization.

67252053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28004.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 67252053 is about 8200.7349060923. The cubic root of 67252053 is about 406.6634888073.

It can be divided in two parts, 6725 and 2053, that added together give a palindrome (8778).

The spelling of 67252053 in words is "sixty-seven million, two hundred fifty-two thousand, fifty-three".

Divisors: 1 3 11 33 73 219 803 2409 27917 83751 307087 921261 2037941 6113823 22417351 67252053