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542434620 = 223571399347
BaseRepresentation
bin100000010101001…
…110010100111100
31101210200112102010
4200111032110330
52102330401440
6125454131220
716304422020
oct4025162474
91353615363
10542434620
11259210182
121317b0b10
13884c1b40
1452080380
153294b580
hex2054e53c

542434620 has 96 divisors (see below), whose sum is σ = 1869331968. Its totient is φ = 114446592.

The previous prime is 542434609. The next prime is 542434643. The reversal of 542434620 is 26434245.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44214 + ... + 55133.

It is an arithmetic number, because the mean of its divisors is an integer number (19472208).

Almost surely, 2542434620 is an apocalyptic number.

It is an amenable number.

542434620 is an abundant number, since it is smaller than the sum of its proper divisors (1326897348).

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

542434620 is a wasteful number, since it uses less digits than its factorization.

542434620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99379 (or 99377 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 542434620 is about 23290.2258469084. The cubic root of 542434620 is about 815.5472606284.

Adding to 542434620 its reverse (26434245), we get a palindrome (568868865).

The spelling of 542434620 in words is "five hundred forty-two million, four hundred thirty-four thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 99347 198694 298041 397388 496735 596082 695429 993470 1192164 1291511 1390858 1490205 1986940 2086287 2583022 2781716 2980410 3477145 3874533 4172574 5166044 5960820 6457555 6954290 7749066 8345148 9040577 10431435 12915110 13908580 15498132 18081154 19372665 20862870 25830220 27121731 36162308 38745330 41725740 45202885 54243462 77490660 90405770 108486924 135608655 180811540 271217310 542434620