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30038701 = 711390113
BaseRepresentation
bin111001010010…
…1101010101101
32002112010100111
41302211222231
530142214301
62551500021
7513216250
oct162455255
962463314
1030038701
1115a57580
12a087611
1362b97a4
143dbd097
152985551
hex1ca5aad

30038701 has 8 divisors (see below), whose sum is σ = 37450944. Its totient is φ = 23406720.

The previous prime is 30038699. The next prime is 30038719. The reversal of 30038701 is 10783003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30038701 - 21 = 30038699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30038731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194980 + ... + 195133.

It is an arithmetic number, because the mean of its divisors is an integer number (4681368).

Almost surely, 230038701 is an apocalyptic number.

It is an amenable number.

30038701 is a deficient number, since it is larger than the sum of its proper divisors (7412243).

30038701 is a wasteful number, since it uses less digits than its factorization.

30038701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390131.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 30038701 is about 5480.7573381787. The cubic root of 30038701 is about 310.8568076311.

The spelling of 30038701 in words is "thirty million, thirty-eight thousand, seven hundred one".

Divisors: 1 7 11 77 390113 2730791 4291243 30038701