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42541044 = 223713163239
BaseRepresentation
bin1010001001000…
…1111111110100
32222001022100020
42202101333310
541342303134
64115445140
71024410240
oct242217764
988038306
1042541044
1122016797
12122b67b0
138a76320
145915420
153b04b49
hex2891ff4

42541044 has 96 divisors (see below), whose sum is σ = 123432960. Its totient is φ = 11104128.

The previous prime is 42541043. The next prime is 42541049. The reversal of 42541044 is 44014524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42541043) 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, 177877 + ... + 178115.

It is an arithmetic number, because the mean of its divisors is an integer number (1285760).

Almost surely, 242541044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42541044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61716480).

42541044 is an abundant number, since it is smaller than the sum of its proper divisors (80891916).

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

42541044 is a wasteful number, since it uses less digits than its factorization.

42541044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 42541044 is about 6522.3495766480. The cubic root of 42541044 is about 349.0889065591.

Adding to 42541044 its reverse (44014524), we get a palindrome (86555568).

The spelling of 42541044 in words is "forty-two million, five hundred forty-one thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 163 182 239 273 326 364 478 489 546 652 717 956 978 1092 1141 1434 1673 1956 2119 2282 2868 3107 3346 3423 4238 4564 5019 6214 6357 6692 6846 8476 9321 10038 12428 12714 13692 14833 18642 20076 21749 25428 29666 37284 38957 43498 44499 59332 65247 77914 86996 88998 116871 130494 155828 177996 233742 260988 272699 467484 506441 545398 818097 1012882 1090796 1519323 1636194 2025764 3038646 3272388 3545087 6077292 7090174 10635261 14180348 21270522 42541044