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538470720 = 2633562323
BaseRepresentation
bin100000000110000…
…110100101000000
31101112020010222000
4200012012211000
52100322030340
6125233144000
716225632324
oct4006064500
91345203860
10538470720
11256a53027
121303bb000
1387734838
145172b984
1532416d30
hex20186940

538470720 has 112 divisors (see below), whose sum is σ = 1899635520. Its totient is φ = 143589888.

The previous prime is 538470719. The next prime is 538470721. The reversal of 538470720 is 27074835.

It is an interprime number because it is at equal distance from previous prime (538470719) and next prime (538470721).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538470721) 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, 22522 + ... + 39801.

Almost surely, 2538470720 is an apocalyptic number.

It is an amenable number.

538470720 is an abundant number, since it is smaller than the sum of its proper divisors (1361164800).

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

538470720 is a wasteful number, since it uses less digits than its factorization.

538470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62349 (or 62333 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 538470720 is about 23204.9718810431. The cubic root of 538470720 is about 813.5558350910. Note that the first 3 decimals are identical.

The spelling of 538470720 in words is "five hundred thirty-eight million, four hundred seventy thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8640 62323 124646 186969 249292 311615 373938 498584 560907 623230 747876 934845 997168 1121814 1246460 1495752 1682721 1869690 1994336 2243628 2492920 2804535 2991504 3365442 3739380 3988672 4487256 4985840 5609070 5983008 6730884 7478760 8413605 8974512 9971680 11218140 11966016 13461768 14957520 16827210 17949024 19943360 22436280 26923536 29915040 33654420 35898048 44872560 53847072 59830080 67308840 89745120 107694144 134617680 179490240 269235360 538470720