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30550401 = 327484927
BaseRepresentation
bin111010010001…
…0100110000001
32010111010021100
41310202212001
530310103101
63010445013
7520450140
oct164424601
963433240
1030550401
1116276a72
12a293769
13643867b
1440b3757
152a36e86
hex1d22981

30550401 has 12 divisors (see below), whose sum is σ = 50432512. Its totient is φ = 17457336.

The previous prime is 30550397. The next prime is 30550433. The reversal of 30550401 is 10405503.

It is not a de Polignac number, because 30550401 - 22 = 30550397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30550451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242401 + ... + 242526.

Almost surely, 230550401 is an apocalyptic number.

It is an amenable number.

30550401 is a deficient number, since it is larger than the sum of its proper divisors (19882111).

30550401 is a wasteful number, since it uses less digits than its factorization.

30550401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484940 (or 484937 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 30550401 is about 5527.2417171678. The cubic root of 30550401 is about 312.6119952711.

Adding to 30550401 its reverse (10405503), we get a palindrome (40955904).

The spelling of 30550401 in words is "thirty million, five hundred fifty thousand, four hundred one".

Divisors: 1 3 7 9 21 63 484927 1454781 3394489 4364343 10183467 30550401