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75501434 = 237750717
BaseRepresentation
bin1001000000000…
…00111101111010
312021001212111102
410200000331322
5123312021214
611254131402
71604515541
oct440007572
9167055442
1075501434
1139689388
1221350b62
1312846908
14a055158
156965bde
hex4800f7a

75501434 has 4 divisors (see below), whose sum is σ = 113252154. Its totient is φ = 37750716.

The previous prime is 75501409. The next prime is 75501443. The reversal of 75501434 is 43410557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43410557 = 60917127.

It can be written as a sum of positive squares in only one way, i.e., 66471409 + 9030025 = 8153^2 + 3005^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75501397 and 75501406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18875357 + ... + 18875360.

Almost surely, 275501434 is an apocalyptic number.

75501434 is a deficient number, since it is larger than the sum of its proper divisors (37750720).

75501434 is a wasteful number, since it uses less digits than its factorization.

75501434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37750719.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 75501434 is about 8689.1561155270. The cubic root of 75501434 is about 422.6540810283.

The spelling of 75501434 in words is "seventy-five million, five hundred one thousand, four hundred thirty-four".

Divisors: 1 2 37750717 75501434