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142315602 = 231121317887
BaseRepresentation
bin10000111101110…
…01000001010010
3100220210101022020
420132321001102
5242413044402
622042152310
73345443202
oct1036710122
9326711266
10142315602
1173373900
123b7b2696
132363b320
1414c88402
15c7628bc
hex87b9052

142315602 has 96 divisors (see below), whose sum is σ = 357146496. Its totient is φ = 37424640.

The previous prime is 142315601. The next prime is 142315603. The reversal of 142315602 is 206513241.

It is an interprime number because it is at equal distance from previous prime (142315601) and next prime (142315603).

It is not an unprimeable number, because it can be changed into a prime (142315601) 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, 160003 + ... + 160889.

It is an arithmetic number, because the mean of its divisors is an integer number (3720276).

Almost surely, 2142315602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142315602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178573248).

142315602 is an abundant number, since it is smaller than the sum of its proper divisors (214830894).

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

142315602 is a wasteful number, since it uses less digits than its factorization.

142315602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 142315602 is about 11929.6103037777. The cubic root of 142315602 is about 522.0965676219.

Adding to 142315602 its reverse (206513241), we get a palindrome (348828843).

The spelling of 142315602 in words is "one hundred forty-two million, three hundred fifteen thousand, six hundred two".

Divisors: 1 2 3 6 11 13 17 22 26 33 34 39 51 66 78 102 121 143 187 221 242 286 363 374 429 442 561 663 726 858 887 1122 1326 1573 1774 2057 2431 2661 3146 4114 4719 4862 5322 6171 7293 9438 9757 11531 12342 14586 15079 19514 23062 26741 29271 30158 34593 45237 53482 58542 69186 80223 90474 107327 126841 160446 165869 196027 214654 253682 321981 331738 380523 392054 497607 588081 643962 761046 995214 1176162 1395251 1824559 2156297 2790502 3649118 4185753 4312594 5473677 6468891 8371506 10947354 12937782 23719267 47438534 71157801 142315602