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538419930 = 23537485063
BaseRepresentation
bin100000000101111…
…010001011011010
31101112010120021220
4200011322023122
52100313414210
6125232112510
716225331256
oct4005721332
91345116256
10538419930
11256a18954
12130395736
1387717699
1451717266
1532406c70
hex2017a2da

538419930 has 32 divisors (see below), whose sum is σ = 1327135104. Its totient is φ = 139697856.

The previous prime is 538419923. The next prime is 538419953. The reversal of 538419930 is 39914835.

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, 241422 + ... + 243641.

It is an arithmetic number, because the mean of its divisors is an integer number (41472972).

Almost surely, 2538419930 is an apocalyptic number.

538419930 is an abundant number, since it is smaller than the sum of its proper divisors (788715174).

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

538419930 is a wasteful number, since it uses less digits than its factorization.

538419930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485110.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 538419930 is about 23203.8774776976. The cubic root of 538419930 is about 813.5302553652.

The spelling of 538419930 in words is "five hundred thirty-eight million, four hundred nineteen thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 485063 970126 1455189 2425315 2910378 4850630 7275945 14551890 17947331 35894662 53841993 89736655 107683986 179473310 269209965 538419930