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30747401 is a prime number
BaseRepresentation
bin111010101001…
…0101100001001
32010212010111122
41311102230021
530332404101
63015005025
7522230366
oct165225411
963763448
1030747401
11163a0a83
12a369775
1364a7239
14412546d
152a7551b
hex1d52b09

30747401 has 2 divisors, whose sum is σ = 30747402. Its totient is φ = 30747400.

The previous prime is 30747391. The next prime is 30747419. The reversal of 30747401 is 10474703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18913801 + 11833600 = 4349^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 30747401 - 222 = 26553097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30747461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15373700 + 15373701.

It is an arithmetic number, because the mean of its divisors is an integer number (15373701).

Almost surely, 230747401 is an apocalyptic number.

It is an amenable number.

30747401 is a deficient number, since it is larger than the sum of its proper divisors (1).

30747401 is an equidigital number, since it uses as much as digits as its factorization.

30747401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 30747401 is about 5545.0339043147. The cubic root of 30747401 is about 313.2825010593.

The spelling of 30747401 in words is "thirty million, seven hundred forty-seven thousand, four hundred one".