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74380485 = 3517328663
BaseRepresentation
bin1000110111011…
…11010011000101
312011221220211210
410123233103011
5123020133420
611214122033
71562136504
oct433572305
9164856753
1074380485
1138a93183
1220ab0319
131254362a
149c4283b
1567e39e0
hex46ef4c5

74380485 has 16 divisors (see below), whose sum is σ = 119700864. Its totient is φ = 39438912.

The previous prime is 74380483. The next prime is 74380499. The reversal of 74380485 is 58408347.

It is not a de Polignac number, because 74380485 - 21 = 74380483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74380483) 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, 11737 + ... + 16926.

It is an arithmetic number, because the mean of its divisors is an integer number (7481304).

Almost surely, 274380485 is an apocalyptic number.

It is an amenable number.

74380485 is a deficient number, since it is larger than the sum of its proper divisors (45320379).

74380485 is a wasteful number, since it uses less digits than its factorization.

74380485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28844.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 74380485 is about 8624.4121538804. The cubic root of 74380485 is about 420.5519670269.

The spelling of 74380485 in words is "seventy-four million, three hundred eighty thousand, four hundred eighty-five".

Divisors: 1 3 5 15 173 519 865 2595 28663 85989 143315 429945 4958699 14876097 24793495 74380485