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61368315 = 3567227269
BaseRepresentation
bin1110101000011…
…0011111111011
311021110211111120
43222012133323
5111202241230
610031200323
71343423241
oct352063773
9137424446
1061368315
1131705a18
12186760a3
13c938a18
148216791
1555c3310
hex3a867fb

61368315 has 32 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 31979904.

The previous prime is 61368299. The next prime is 61368337. The reversal of 61368315 is 51386316.

It is not a de Polignac number, because 61368315 - 24 = 61368299 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228001 + ... + 228269.

It is an arithmetic number, because the mean of its divisors is an integer number (3139560).

Almost surely, 261368315 is an apocalyptic number.

61368315 is a deficient number, since it is larger than the sum of its proper divisors (39097605).

61368315 is a wasteful number, since it uses less digits than its factorization.

61368315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 12960, while the sum is 33.

The square root of 61368315 is about 7833.7931425332. The cubic root of 61368315 is about 394.4404082698.

The spelling of 61368315 in words is "sixty-one million, three hundred sixty-eight thousand, three hundred fifteen".

Divisors: 1 3 5 15 67 201 227 269 335 681 807 1005 1135 1345 3405 4035 15209 18023 45627 54069 61063 76045 90115 183189 228135 270345 305315 915945 4091221 12273663 20456105 61368315