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538830120 = 233519236329
BaseRepresentation
bin100000000111011…
…110010100101000
31101112220101222010
4200013132110220
52100420030440
6125244555520
716231660203
oct4007362450
91345811863
10538830120
11257179054
12130552ba0
138782c2ba
14517c293a
1532488580
hex201de528

538830120 has 64 divisors (see below), whose sum is σ = 1701576000. Its totient is φ = 136124928.

The previous prime is 538830109. The next prime is 538830151. The reversal of 538830120 is 21038835.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 115885 + ... + 120444.

It is an arithmetic number, because the mean of its divisors is an integer number (26587125).

Almost surely, 2538830120 is an apocalyptic number.

It is an amenable number.

538830120 is an abundant number, since it is smaller than the sum of its proper divisors (1162745880).

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

538830120 is a wasteful number, since it uses less digits than its factorization.

538830120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236362 (or 236358 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 538830120 is about 23212.7146193632. The cubic root of 538830120 is about 813.7367963011.

Adding to 538830120 its reverse (21038835), we get a palindrome (559868955).

The spelling of 538830120 in words is "five hundred thirty-eight million, eight hundred thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 236329 472658 708987 945316 1181645 1417974 1890632 2363290 2835948 3544935 4490251 4726580 5671896 7089870 8980502 9453160 13470753 14179740 17961004 22451255 26941506 28359480 35922008 44902510 53883012 67353765 89805020 107766024 134707530 179610040 269415060 538830120