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74493000 = 2333533189
BaseRepresentation
bin1000111000010…
…10110001001000
312012011122012000
410130022301020
5123032234000
611220351000
71563115521
oct434126110
9165148160
1074493000
113905a76a
1220b45460
13125828ca
149c71848
156817000
hex470ac48

74493000 has 256 divisors, whose sum is σ = 269568000. Its totient is φ = 19008000.

The previous prime is 74492983. The next prime is 74493043. The reversal of 74493000 is 39447.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 836956 + ... + 837044.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 274493000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74493000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134784000).

74493000 is an abundant number, since it is smaller than the sum of its proper divisors (195075000).

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

74493000 is a wasteful number, since it uses less digits than its factorization.

74493000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 74493000 is about 8630.9327421780. The cubic root of 74493000 is about 420.7639158339.

The spelling of 74493000 in words is "seventy-four million, four hundred ninety-three thousand".