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506991480 = 233538910861
BaseRepresentation
bin11110001110000…
…001001101111000
31022022222211120020
4132032001031320
52014242211410
6122150330440
715364233162
oct3616011570
91268884506
10506991480
11240202226
12121959a20
1381062478
144b495932
152e799a70
hex1e381378

506991480 has 64 divisors (see below), whose sum is σ = 1525024800. Its totient is φ = 134837760.

The previous prime is 506991467. The next prime is 506991487. The reversal of 506991480 is 84199605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506991487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41250 + ... + 52110.

Almost surely, 2506991480 is an apocalyptic number.

It is an amenable number.

506991480 is an abundant number, since it is smaller than the sum of its proper divisors (1018033320).

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

506991480 is a wasteful number, since it uses less digits than its factorization.

506991480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264 (or 11260 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 506991480 is about 22516.4713043585. The cubic root of 506991480 is about 797.3828432833.

The spelling of 506991480 in words is "five hundred six million, nine hundred ninety-one thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 389 778 1167 1556 1945 2334 3112 3890 4668 5835 7780 9336 10861 11670 15560 21722 23340 32583 43444 46680 54305 65166 86888 108610 130332 162915 217220 260664 325830 434440 651660 1303320 4224929 8449858 12674787 16899716 21124645 25349574 33799432 42249290 50699148 63373935 84498580 101398296 126747870 168997160 253495740 506991480