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70475401 is a prime number
BaseRepresentation
bin1000011001101…
…01111010001001
311220121112002001
410030311322021
5121020203101
610554311001
71514013433
oct414657211
9156545061
1070475401
1136866237
121b728461
13117a7029
149507653
1562c1901
hex4335e89

70475401 has 2 divisors, whose sum is σ = 70475402. Its totient is φ = 70475400.

The previous prime is 70475333. The next prime is 70475407. The reversal of 70475401 is 10457407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 251001 = 8380^2 + 501^2 .

It is an emirp because it is prime and its reverse (10457407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70475401 - 211 = 70473353 is a prime.

It is a super-2 number, since 2×704754012 = 9933564292221602, which contains 22 as substring.

It is equal to p4144429 and since 70475401 and 4144429 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70475401.

It is not a weakly prime, because it can be changed into another prime (70475407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237700 + 35237701.

It is an arithmetic number, because the mean of its divisors is an integer number (35237701).

Almost surely, 270475401 is an apocalyptic number.

It is an amenable number.

70475401 is a deficient number, since it is larger than the sum of its proper divisors (1).

70475401 is an equidigital number, since it uses as much as digits as its factorization.

70475401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 70475401 is about 8394.9628349386. The cubic root of 70475401 is about 413.0594082687.

It can be divided in two parts, 70475 and 401, that added together give a triangular number (70876 = T376).

The spelling of 70475401 in words is "seventy million, four hundred seventy-five thousand, four hundred one".