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30370001 = 123124671
BaseRepresentation
bin111001111011…
…0100011010001
32010010221210212
41303312203101
530233320001
63002533505
7516066164
oct163664321
963127725
1030370001
1116163482
12a207295
1363a451c
144067adb
1529ed7bb
hex1cf68d1

30370001 has 4 divisors (see below), whose sum is σ = 30395904. Its totient is φ = 30344100.

The previous prime is 30369991. The next prime is 30370013. The reversal of 30370001 is 10007303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30370001 - 210 = 30368977 is a prime.

It is a super-3 number, since 3×303700013 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30370061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105 + ... + 13566.

It is an arithmetic number, because the mean of its divisors is an integer number (7598976).

Almost surely, 230370001 is an apocalyptic number.

It is an amenable number.

30370001 is a deficient number, since it is larger than the sum of its proper divisors (25903).

30370001 is a wasteful number, since it uses less digits than its factorization.

30370001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25902.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 30370001 is about 5510.8983841113. The cubic root of 30370001 is about 311.9954559112.

Adding to 30370001 its reverse (10007303), we get a palindrome (40377304).

The spelling of 30370001 in words is "thirty million, three hundred seventy thousand, one".

Divisors: 1 1231 24671 30370001