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74345050 = 25213114377
BaseRepresentation
bin1000110111001…
…10101001011010
312011220010020101
410123212221122
5123013020200
611213250014
71561631263
oct433465132
9164803211
1074345050
1138a6959a
1220a9390a
1312530470
149c3396a
1567d826a
hex46e6a5a

74345050 has 24 divisors (see below), whose sum is σ = 148920156. Its totient is φ = 27450240.

The previous prime is 74345041. The next prime is 74345057. The reversal of 74345050 is 5054347.

It can be written as a sum of positive squares in 6 ways, for example, as 1225449 + 73119601 = 1107^2 + 8551^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74345057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56539 + ... + 57838.

Almost surely, 274345050 is an apocalyptic number.

74345050 is an abundant number, since it is smaller than the sum of its proper divisors (74575106).

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

74345050 is a wasteful number, since it uses less digits than its factorization.

74345050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114402 (or 114397 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 74345050 is about 8622.3575662344. The cubic root of 74345050 is about 420.4851725083.

Adding to 74345050 its reverse (5054347), we get a palindrome (79399397).

The spelling of 74345050 in words is "seventy-four million, three hundred forty-five thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 114377 228754 571885 1143770 1486901 2859425 2973802 5718850 7434505 14869010 37172525 74345050