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72055106 = 2192716997
BaseRepresentation
bin1000100101101…
…11100101000010
312000120210000122
410102313211002
5121421230411
611052220242
71533313124
oct422674502
9160523018
1072055106
1137745082
122016a682
1311c0b076
1497d9214
1564d49db
hex44b7942

72055106 has 16 divisors (see below), whose sum is σ = 114207360. Its totient is φ = 34000560.

The previous prime is 72055099. The next prime is 72055121. The reversal of 72055106 is 60155027.

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, 6800 + ... + 13796.

It is an arithmetic number, because the mean of its divisors is an integer number (7137960).

Almost surely, 272055106 is an apocalyptic number.

72055106 is a deficient number, since it is larger than the sum of its proper divisors (42152254).

72055106 is a wasteful number, since it uses less digits than its factorization.

72055106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 72055106 is about 8488.5279053556. The cubic root of 72055106 is about 416.1228718959.

The spelling of 72055106 in words is "seventy-two million, fifty-five thousand, one hundred six".

Divisors: 1 2 19 38 271 542 5149 6997 10298 13994 132943 265886 1896187 3792374 36027553 72055106