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75420482 = 237710241
BaseRepresentation
bin1000111111011…
…01001101000010
312020220202110012
410133231031002
5123301423412
611252304522
71604030534
oct437551502
9166822405
1075420482
1139633585
1221312142
1312818b07
14a033854
15694bc22
hex47ed342

75420482 has 4 divisors (see below), whose sum is σ = 113130726. Its totient is φ = 37710240.

The previous prime is 75420439. The next prime is 75420491. The reversal of 75420482 is 28402457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28402457 = 109260573.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 13184161 = 7889^2 + 3631^2 .

It is a super-2 number, since 2×754204822 = 11376498210224648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18855119 + ... + 18855122.

Almost surely, 275420482 is an apocalyptic number.

75420482 is a deficient number, since it is larger than the sum of its proper divisors (37710244).

75420482 is a wasteful number, since it uses less digits than its factorization.

75420482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37710243.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 75420482 is about 8684.4966463233. The cubic root of 75420482 is about 422.5029716304.

The spelling of 75420482 in words is "seventy-five million, four hundred twenty thousand, four hundred eighty-two".

Divisors: 1 2 37710241 75420482