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75427234 = 237713617
BaseRepresentation
bin1000111111011…
…10110110100010
312020221002201021
410133232312202
5123302132414
611252400054
71604056321
oct437566642
9166832637
1075427234
1139638663
122131602a
131281bbcc
14a0360b8
15694dc24
hex47eeda2

75427234 has 4 divisors (see below), whose sum is σ = 113140854. Its totient is φ = 37713616.

The previous prime is 75427229. The next prime is 75427241. The reversal of 75427234 is 43272457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43272457 = 148329179.

It can be written as a sum of positive squares in only one way, i.e., 61387225 + 14040009 = 7835^2 + 3747^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75427234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18856807 + ... + 18856810.

Almost surely, 275427234 is an apocalyptic number.

75427234 is a deficient number, since it is larger than the sum of its proper divisors (37713620).

75427234 is a wasteful number, since it uses less digits than its factorization.

75427234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37713619.

The product of its digits is 47040, while the sum is 34.

The square root of 75427234 is about 8684.8853763305. The cubic root of 75427234 is about 422.5155794122.

It can be divided in two parts, 754 and 27234, that multiplied together give a triangular number (20534436 = T6408).

The spelling of 75427234 in words is "seventy-five million, four hundred twenty-seven thousand, two hundred thirty-four".

Divisors: 1 2 37713617 75427234