Search a number
-
+
75400514 = 2726112613
BaseRepresentation
bin1000111111010…
…00010101000010
312020212202001122
410133220111002
5123300304024
611252032242
71603615400
oct437502502
9166782048
1075400514
113961a582
1221302682
131280c9b7
14a02a470
156945d5e
hex47e8542

75400514 has 24 divisors (see below), whose sum is σ = 133733628. Its totient is φ = 31782240.

The previous prime is 75400513. The next prime is 75400519. The reversal of 75400514 is 41500457.

It can be written as a sum of positive squares in 2 ways, for example, as 66961489 + 8439025 = 8183^2 + 2905^2 .

It is a super-2 number, since 2×754005142 = 11370475022928392, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75400513) 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, 329 + ... + 12284.

Almost surely, 275400514 is an apocalyptic number.

75400514 is a deficient number, since it is larger than the sum of its proper divisors (58333114).

75400514 is a wasteful number, since it uses less digits than its factorization.

75400514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690 (or 12683 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 75400514 is about 8683.3469353700. The cubic root of 75400514 is about 422.4656816540.

The spelling of 75400514 in words is "seventy-five million, four hundred thousand, five hundred fourteen".

Divisors: 1 2 7 14 49 61 98 122 427 854 2989 5978 12613 25226 88291 176582 618037 769393 1236074 1538786 5385751 10771502 37700257 75400514