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69201066 = 23112345587
BaseRepresentation
bin1000001111111…
…10110010101010
311211012210000110
410013332302222
5120203413231
610511115150
71500125244
oct407766252
9154183013
1069201066
1136075870
121b212ab6
131144bc9c
149295094
15611e046
hex41fecaa

69201066 has 32 divisors (see below), whose sum is σ = 157552128. Its totient is φ = 20057840.

The previous prime is 69201053. The next prime is 69201091. The reversal of 69201066 is 66010296.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21276 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (4923504).

Almost surely, 269201066 is an apocalyptic number.

69201066 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

69201066 is an abundant number, since it is smaller than the sum of its proper divisors (88351062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69201066 is a wasteful number, since it uses less digits than its factorization.

69201066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45626.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 69201066 is about 8318.7178098551. The cubic root of 69201066 is about 410.5546053881.

It can be divided in two parts, 692010 and 66, that added together give a triangular number (692076 = T1176).

The spelling of 69201066 in words is "sixty-nine million, two hundred one thousand, sixty-six".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 45587 91174 136761 273522 501457 1002914 1048501 1504371 2097002 3008742 3145503 6291006 11533511 23067022 34600533 69201066