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30006474 = 2329331521
BaseRepresentation
bin111001001110…
…1110011001010
32002110111010220
41302131303022
530140201344
62551050510
7513023301
oct162356312
962414126
1030006474
1115a35343
12a070a36
1362a7c14
143db1438
15297ac19
hex1c9dcca

30006474 has 32 divisors (see below), whose sum is σ = 62389440. Its totient is φ = 9609600.

The previous prime is 30006469. The next prime is 30006497. The reversal of 30006474 is 47460003.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57334 + ... + 57854.

It is an arithmetic number, because the mean of its divisors is an integer number (1949670).

Almost surely, 230006474 is an apocalyptic number.

30006474 is an abundant number, since it is smaller than the sum of its proper divisors (32382966).

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

30006474 is a wasteful number, since it uses less digits than its factorization.

30006474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 30006474 is about 5477.8165358106. The cubic root of 30006474 is about 310.7456003469.

Adding to 30006474 its reverse (47460003), we get a palindrome (77466477).

The spelling of 30006474 in words is "thirty million, six thousand, four hundred seventy-four".

Divisors: 1 2 3 6 29 58 87 174 331 521 662 993 1042 1563 1986 3126 9599 15109 19198 28797 30218 45327 57594 90654 172451 344902 517353 1034706 5001079 10002158 15003237 30006474