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30370341 = 3194312391
BaseRepresentation
bin111001111011…
…0101000100101
32010010222021110
41303312220211
530233322331
63002535233
7516100161
oct163665045
963128243
1030370341
1116163761
12a207519
1363a4721
144067ca1
1529ed946
hex1cf6a25

30370341 has 16 divisors (see below), whose sum is σ = 43619840. Its totient is φ = 18733680.

The previous prime is 30370339. The next prime is 30370349. The reversal of 30370341 is 14307303.

It is not a de Polignac number, because 30370341 - 21 = 30370339 is a prime.

It is a super-2 number, since 2×303703412 = 1844715224912562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30370349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3745 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (2726240).

Almost surely, 230370341 is an apocalyptic number.

It is an amenable number.

30370341 is a deficient number, since it is larger than the sum of its proper divisors (13249499).

30370341 is a wasteful number, since it uses less digits than its factorization.

30370341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30370341 is about 5510.9292319898. The cubic root of 30370341 is about 311.9966201968.

Adding to 30370341 its reverse (14307303), we get a palindrome (44677644).

The spelling of 30370341 in words is "thirty million, three hundred seventy thousand, three hundred forty-one".

Divisors: 1 3 19 43 57 129 817 2451 12391 37173 235429 532813 706287 1598439 10123447 30370341