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5420232240 = 243529778769
BaseRepresentation
bin1010000110001001…
…00010111000110000
3111222202010022211020
411003010202320300
542100034412430
62253502215440
7251214133233
oct50304427060
914882108736
105420232240
112331641785
121073284580
13684c35217
14395c1141a
1521acb4b10
hex143122e30

5420232240 has 80 divisors (see below), whose sum is σ = 17382146400. Its totient is φ = 1395552256.

The previous prime is 5420232203. The next prime is 5420232283. The reversal of 5420232240 is 422320245.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5420232240.

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, 382425 + ... + 396344.

It is an arithmetic number, because the mean of its divisors is an integer number (217276830).

Almost surely, 25420232240 is an apocalyptic number.

It is an amenable number.

5420232240 is an abundant number, since it is smaller than the sum of its proper divisors (11961914160).

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

5420232240 is a wasteful number, since it uses less digits than its factorization.

5420232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778814 (or 778808 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 5420232240 is about 73622.2265351979. The cubic root of 5420232240 is about 1756.5990020989.

Adding to 5420232240 its reverse (422320245), we get a palindrome (5842552485).

The spelling of 5420232240 in words is "five billion, four hundred twenty million, two hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 435 464 580 696 870 1160 1392 1740 2320 3480 6960 778769 1557538 2336307 3115076 3893845 4672614 6230152 7787690 9345228 11681535 12460304 15575380 18690456 22584301 23363070 31150760 37380912 45168602 46726140 62301520 67752903 90337204 93452280 112921505 135505806 180674408 186904560 225843010 271011612 338764515 361348816 451686020 542023224 677529030 903372040 1084046448 1355058060 1806744080 2710116120 5420232240