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61742001 = 3191083193
BaseRepresentation
bin1110101110000…
…1101110110001
311022011211002210
43223201232301
5111301221001
610043202333
71346540556
oct353415661
9138154083
1061742001
1131940752
12188163a9
13ca39b39
1482b2a2d
155648dd6
hex3ae1bb1

61742001 has 8 divisors (see below), whose sum is σ = 86655520. Its totient is φ = 38994912.

The previous prime is 61741991. The next prime is 61742029. The reversal of 61742001 is 10024716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61742001 - 25 = 61741969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61742081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541540 + ... + 541653.

It is an arithmetic number, because the mean of its divisors is an integer number (10831940).

Almost surely, 261742001 is an apocalyptic number.

It is an amenable number.

61742001 is a deficient number, since it is larger than the sum of its proper divisors (24913519).

61742001 is a wasteful number, since it uses less digits than its factorization.

61742001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083215.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 61742001 is about 7857.6078420853. The cubic root of 61742001 is about 395.2394019549.

Adding to 61742001 its reverse (10024716), we get a palindrome (71766717).

The spelling of 61742001 in words is "sixty-one million, seven hundred forty-two thousand, one".

Divisors: 1 3 19 57 1083193 3249579 20580667 61742001