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86899901 = 1121937799
BaseRepresentation
bin1010010110111…
…11110010111101
320001111222020212
411023133302331
5134221244101
612342322205
72103431324
oct513376275
9201458225
1086899901
1145064200
1225129365
1315007b7a
14b7810bb
1579681bb
hex52dfcbd

86899901 has 12 divisors (see below), whose sum is σ = 100548000. Its totient is φ = 74840040.

The previous prime is 86899889. The next prime is 86899907. The reversal of 86899901 is 10999868.

It is a de Polignac number, because none of the positive numbers 2k-86899901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86899901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86899907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16601 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (8379000).

Almost surely, 286899901 is an apocalyptic number.

It is an amenable number.

86899901 is a deficient number, since it is larger than the sum of its proper divisors (13648099).

86899901 is a wasteful number, since it uses less digits than its factorization.

86899901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37840 (or 37829 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 86899901 is about 9322.0116391260. The cubic root of 86899901 is about 442.9347569383.

The spelling of 86899901 in words is "eighty-six million, eight hundred ninety-nine thousand, nine hundred one".

Divisors: 1 11 19 121 209 2299 37799 415789 718181 4573679 7899991 86899901