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74100089 = 7231134073
BaseRepresentation
bin1000110101010…
…10110101111001
312011102200012202
410122222311321
5122432200324
611204115545
71556561150
oct432526571
9164380182
1074100089
1138911548
1220995bb5
1312475b0b
149bac597
15678a8ae
hex46aad79

74100089 has 16 divisors (see below), whose sum is σ = 89171712. Its totient is φ = 60200448.

The previous prime is 74100077. The next prime is 74100107. The reversal of 74100089 is 98000147.

It is a de Polignac number, because none of the positive numbers 2k-74100089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74100889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16157 + ... + 20229.

It is an arithmetic number, because the mean of its divisors is an integer number (5573232).

Almost surely, 274100089 is an apocalyptic number.

It is an amenable number.

74100089 is a deficient number, since it is larger than the sum of its proper divisors (15071623).

74100089 is a wasteful number, since it uses less digits than its factorization.

74100089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 74100089 is about 8608.1408561896. The cubic root of 74100089 is about 420.0228426730.

The spelling of 74100089 in words is "seventy-four million, one hundred thousand, eighty-nine".

Divisors: 1 7 23 113 161 791 2599 4073 18193 28511 93679 460249 655753 3221743 10585727 74100089