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30574071 = 3311113911
BaseRepresentation
bin111010010100…
…0010111110111
32010112022202000
41310220113313
530311332241
63011150343
7520606143
oct164502767
963468660
1030574071
1116292830
12a2a53b3
136446388
1440bc223
152a3deb6
hex1d285f7

30574071 has 32 divisors (see below), whose sum is σ = 49904640. Its totient is φ = 18345600.

The previous prime is 30574067. The next prime is 30574087. The reversal of 30574071 is 17047503.

It is not a de Polignac number, because 30574071 - 22 = 30574067 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30574001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33106 + ... + 34016.

It is an arithmetic number, because the mean of its divisors is an integer number (1559520).

Almost surely, 230574071 is an apocalyptic number.

30574071 is a deficient number, since it is larger than the sum of its proper divisors (19330569).

30574071 is a wasteful number, since it uses less digits than its factorization.

30574071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 30574071 is about 5529.3825152543. The cubic root of 30574071 is about 312.6927101499.

The spelling of 30574071 in words is "thirty million, five hundred seventy-four thousand, seventy-one".

Divisors: 1 3 9 11 27 33 99 113 297 339 911 1017 1243 2733 3051 3729 8199 10021 11187 24597 30063 33561 90189 102943 270567 308829 926487 1132373 2779461 3397119 10191357 30574071