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75153157 is a prime number
BaseRepresentation
bin1000111101010…
…11111100000101
312020102011202021
410132223330011
5123214400112
611242443141
71601535262
oct436537405
9166364667
1075153157
1139470752
12212034b1
1312754231
149da4269
1568e7907
hex47abf05

75153157 has 2 divisors, whose sum is σ = 75153158. Its totient is φ = 75153156.

The previous prime is 75153149. The next prime is 75153161. The reversal of 75153157 is 75135157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 12916836 = 7889^2 + 3594^2 .

It is an emirp because it is prime and its reverse (75135157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75153157 - 23 = 75153149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75153137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37576578 + 37576579.

It is an arithmetic number, because the mean of its divisors is an integer number (37576579).

Almost surely, 275153157 is an apocalyptic number.

It is an amenable number.

75153157 is a deficient number, since it is larger than the sum of its proper divisors (1).

75153157 is an equidigital number, since it uses as much as digits as its factorization.

75153157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18375, while the sum is 34.

The square root of 75153157 is about 8669.0920516511. The cubic root of 75153157 is about 422.0031988407.

The spelling of 75153157 in words is "seventy-five million, one hundred fifty-three thousand, one hundred fifty-seven".