Search a number
-
+
67740053 = 1731173743
BaseRepresentation
bin1000000100110…
…10000110010101
311201110112212212
410002122012111
5114320140203
610415523205
71451531603
oct402320625
9151415785
1067740053
1135268117
121a829505
1311059c94
148dd4873
155e311d8
hex409a195

67740053 has 16 divisors (see below), whose sum is σ = 74566656. Its totient is φ = 61259520.

The previous prime is 67740017. The next prime is 67740059. The reversal of 67740053 is 35004776.

It is a cyclic number.

It is not a de Polignac number, because 67740053 - 28 = 67739797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67740059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90800 + ... + 91542.

It is an arithmetic number, because the mean of its divisors is an integer number (4660416).

Almost surely, 267740053 is an apocalyptic number.

It is an amenable number.

67740053 is a deficient number, since it is larger than the sum of its proper divisors (6826603).

67740053 is a wasteful number, since it uses less digits than its factorization.

67740053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 67740053 is about 8230.4345571786. The cubic root of 67740053 is about 407.6447411356.

The spelling of 67740053 in words is "sixty-seven million, seven hundred forty thousand, fifty-three".

Divisors: 1 17 31 173 527 743 2941 5363 12631 23033 91171 128539 391561 2185163 3984709 67740053