Search a number
-
+
42153501 = 3132294761
BaseRepresentation
bin1010000011001…
…1011000011101
32221022121201210
42200303120131
541242403001
64103255033
71021204335
oct240633035
987277653
1042153501
1121881605
121214a479
13896bb00
1458540c5
153a79dd6
hex283361d

42153501 has 48 divisors (see below), whose sum is σ = 65352960. Its totient is φ = 24111360.

The previous prime is 42153493. The next prime is 42153541. The reversal of 42153501 is 10535124.

It is not a de Polignac number, because 42153501 - 23 = 42153493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42153541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 691011 + ... + 691071.

It is an arithmetic number, because the mean of its divisors is an integer number (1361520).

Almost surely, 242153501 is an apocalyptic number.

It is an amenable number.

42153501 is a deficient number, since it is larger than the sum of its proper divisors (23199459).

42153501 is a wasteful number, since it uses less digits than its factorization.

42153501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42153501 is about 6492.5727566197. The cubic root of 42153501 is about 348.0256207190.

Adding to 42153501 its reverse (10535124), we get a palindrome (52688625).

The spelling of 42153501 in words is "forty-two million, one hundred fifty-three thousand, five hundred one".

Divisors: 1 3 13 29 39 47 61 87 141 169 183 377 507 611 793 1131 1363 1769 1833 2379 2867 4089 4901 5307 7943 8601 10309 14703 17719 22997 23829 30927 37271 53157 68991 83143 111813 230347 249429 298961 484523 691041 896883 1080859 1453569 3242577 14051167 42153501