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61040342 = 2112774561
BaseRepresentation
bin1110100011011…
…0011011010110
311020212011121102
43220312123112
5111111242332
610020150102
71340556116
oct350663326
9136764542
1061040342
1131501570
1218538332
13c85265c
14816d046
15555b062
hex3a366d6

61040342 has 8 divisors (see below), whose sum is σ = 99884232. Its totient is φ = 27745600.

The previous prime is 61040299. The next prime is 61040347. The reversal of 61040342 is 24304016.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61040347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387259 + ... + 1387302.

It is an arithmetic number, because the mean of its divisors is an integer number (12485529).

Almost surely, 261040342 is an apocalyptic number.

61040342 is a deficient number, since it is larger than the sum of its proper divisors (38843890).

61040342 is a wasteful number, since it uses less digits than its factorization.

61040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774574.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 61040342 is about 7812.8318809507. The cubic root of 61040342 is about 393.7364785144.

Adding to 61040342 its reverse (24304016), we get a palindrome (85344358).

It can be divided in two parts, 610 and 40342, that multiplied together give a triangular number (24608620 = T7015).

The spelling of 61040342 in words is "sixty-one million, forty thousand, three hundred forty-two".

Divisors: 1 2 11 22 2774561 5549122 30520171 61040342