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74623042 = 213101157181
BaseRepresentation
bin1000111001010…
…10100001000010
312012102020120101
410130222201002
5123100414132
611223233014
71564166614
oct434524102
9165366511
1074623042
113913943a
1220ba876a
13125c9b60
149ca6db4
1568407e7
hex472a842

74623042 has 32 divisors (see below), whose sum is σ = 123190704. Its totient is φ = 33696000.

The previous prime is 74623033. The next prime is 74623057. The reversal of 74623042 is 24032647.

It can be written as a sum of positive squares in 8 ways, for example, as 13329801 + 61293241 = 3651^2 + 7829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74623042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412192 + ... + 412372.

Almost surely, 274623042 is an apocalyptic number.

74623042 is a deficient number, since it is larger than the sum of its proper divisors (48567662).

74623042 is a wasteful number, since it uses less digits than its factorization.

74623042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 74623042 is about 8638.4629419822. The cubic root of 74623042 is about 421.0086152118.

Adding to 74623042 its reverse (24032647), we get a palindrome (98655689).

The spelling of 74623042 in words is "seventy-four million, six hundred twenty-three thousand, forty-two".

Divisors: 1 2 13 26 101 157 181 202 314 362 1313 2041 2353 2626 4082 4706 15857 18281 28417 31714 36562 56834 206141 237653 369421 412282 475306 738842 2870117 5740234 37311521 74623042