Search a number
-
+
503885904 = 243293111677
BaseRepresentation
bin11110000010001…
…011000001010000
31022010011001111220
4132002023001100
52012443322104
6122000005040
715325650054
oct3602130120
91263131456
10503885904
11239480a35
12120900780
1380515a52
144acc7c64
152e3847d9
hex1e08b050

503885904 has 80 divisors (see below), whose sum is σ = 1390149120. Its totient is φ = 156925440.

The previous prime is 503885891. The next prime is 503885923. The reversal of 503885904 is 409588305.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 37314 + ... + 48990.

It is an arithmetic number, because the mean of its divisors is an integer number (17376864).

Almost surely, 2503885904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503885904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695074560).

503885904 is an abundant number, since it is smaller than the sum of its proper divisors (886263216).

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

503885904 is a wasteful number, since it uses less digits than its factorization.

503885904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11748 (or 11742 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 503885904 is about 22447.4030569240. The cubic root of 503885904 is about 795.7513848631.

The spelling of 503885904 in words is "five hundred three million, eight hundred eighty-five thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 29 31 48 58 62 87 93 116 124 174 186 232 248 348 372 464 496 696 744 899 1392 1488 1798 2697 3596 5394 7192 10788 11677 14384 21576 23354 35031 43152 46708 70062 93416 140124 186832 280248 338633 361987 560496 677266 723974 1015899 1085961 1354532 1447948 2031798 2171922 2709064 2895896 4063596 4343844 5418128 5791792 8127192 8687688 10497623 16254384 17375376 20995246 31492869 41990492 62985738 83980984 125971476 167961968 251942952 503885904