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544790442 = 23737477459
BaseRepresentation
bin100000011110001…
…101011110101010
31101222010012222210
4200132031132222
52103431243232
6130020425550
716333433220
oct4036153652
91358105883
10544790442
1125a57a139
121325482b6
1388b38211
14524d4b10
1532c645cc
hex2078d7aa

544790442 has 64 divisors (see below), whose sum is σ = 1306275840. Its totient is φ = 148205376.

The previous prime is 544790437. The next prime is 544790447. The reversal of 544790442 is 244097445.

544790442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (544790437) and next prime (544790447).

It is a self number, because there is not a number n which added to its sum of digits gives 544790442.

It is not an unprimeable number, because it can be changed into a prime (544790447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69309 + ... + 76767.

It is an arithmetic number, because the mean of its divisors is an integer number (20410560).

Almost surely, 2544790442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544790442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653137920).

544790442 is an abundant number, since it is smaller than the sum of its proper divisors (761485398).

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

544790442 is a wasteful number, since it uses less digits than its factorization.

544790442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 544790442 is about 23340.7463890939. The cubic root of 544790442 is about 816.7262103654.

The spelling of 544790442 in words is "five hundred forty-four million, seven hundred ninety thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 37 42 47 74 94 111 141 222 259 282 329 518 658 777 987 1554 1739 1974 3478 5217 7459 10434 12173 14918 22377 24346 36519 44754 52213 73038 104426 156639 275983 313278 350573 551966 701146 827949 1051719 1655898 1931881 2103438 2454011 3863762 4908022 5795643 7362033 11591286 12971201 14724066 25942402 38913603 77827206 90798407 181596814 272395221 544790442