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61368055 = 571753373
BaseRepresentation
bin1110101000011…
…0011011110111
311021110211010221
43222012123313
5111202234210
610031155211
71343422420
oct352063367
9137424127
1061368055
1131705801
1218675b07
13c938878
148216647
1555c31da
hex3a866f7

61368055 has 8 divisors (see below), whose sum is σ = 84161952. Its totient is φ = 42080928.

The previous prime is 61368049. The next prime is 61368077. The reversal of 61368055 is 55086316.

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

It is a cyclic number.

It is not a de Polignac number, because 61368055 - 211 = 61366007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61368055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876652 + ... + 876721.

It is an arithmetic number, because the mean of its divisors is an integer number (10520244).

Almost surely, 261368055 is an apocalyptic number.

61368055 is a deficient number, since it is larger than the sum of its proper divisors (22793897).

61368055 is a wasteful number, since it uses less digits than its factorization.

61368055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753385.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 61368055 is about 7833.7765477450. The cubic root of 61368055 is about 394.4398512253.

The spelling of 61368055 in words is "sixty-one million, three hundred sixty-eight thousand, fifty-five".

Divisors: 1 5 7 35 1753373 8766865 12273611 61368055