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87782041 = 4713071429
BaseRepresentation
bin1010011101101…
…11001010011001
320010011210022201
411032313022121
5134433011131
612413250201
72114064214
oct516671231
9203153281
1087782041
1145606a46
1225493961
1315256549
14b93077b
157a8e761
hex53b7299

87782041 has 8 divisors (see below), whose sum is σ = 89781120. Its totient is φ = 85788528.

The previous prime is 87782039. The next prime is 87782063. The reversal of 87782041 is 14028778.

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 87782041 - 21 = 87782039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87782011) 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, 60715 + ... + 62143.

It is an arithmetic number, because the mean of its divisors is an integer number (11222640).

Almost surely, 287782041 is an apocalyptic number.

It is an amenable number.

87782041 is a deficient number, since it is larger than the sum of its proper divisors (1999079).

87782041 is a wasteful number, since it uses less digits than its factorization.

87782041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 87782041 is about 9369.2070635673. The cubic root of 87782041 is about 444.4284899111.

The spelling of 87782041 in words is "eighty-seven million, seven hundred eighty-two thousand, forty-one".

Divisors: 1 47 1307 1429 61429 67163 1867703 87782041