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30495474 = 2333715263
BaseRepresentation
bin111010001010…
…1001011110010
32010101022221000
41310111023302
530301323344
63005342430
7520131042
oct164251362
963338830
1030495474
1116239779
12a267a16
136419679
14409b722
152a25a69
hex1d152f2

30495474 has 32 divisors (see below), whose sum is σ = 69603840. Its totient is φ = 9889776.

The previous prime is 30495461. The next prime is 30495481. The reversal of 30495474 is 47459403.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5634 + ... + 9629.

It is an arithmetic number, because the mean of its divisors is an integer number (2175120).

Almost surely, 230495474 is an apocalyptic number.

30495474 is an abundant number, since it is smaller than the sum of its proper divisors (39108366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30495474 is a wasteful number, since it uses less digits than its factorization.

30495474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311 (or 15305 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 30495474 is about 5522.2707286043. The cubic root of 30495474 is about 312.4245330300.

The spelling of 30495474 in words is "thirty million, four hundred ninety-five thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 37 54 74 111 222 333 666 999 1998 15263 30526 45789 91578 137367 274734 412101 564731 824202 1129462 1694193 3388386 5082579 10165158 15247737 30495474