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142223260 = 22523417541
BaseRepresentation
bin10000111101000…
…10011110011100
3100220121200122011
420132202132130
5242402121020
622040201004
73344610034
oct1036423634
9326550564
10142223260
1173310493
123b769164
132360829a
1414c628c4
15c74535a
hex87a279c

142223260 has 48 divisors (see below), whose sum is σ = 319298112. Its totient is φ = 53081600.

The previous prime is 142223201. The next prime is 142223261. The reversal of 142223260 is 62322241.

142223260 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142223261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15090 + ... + 22630.

It is an arithmetic number, because the mean of its divisors is an integer number (6652044).

Almost surely, 2142223260 is an apocalyptic number.

142223260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142223260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159649056).

142223260 is an abundant number, since it is smaller than the sum of its proper divisors (177074852).

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

142223260 is a wasteful number, since it uses less digits than its factorization.

142223260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614 (or 7612 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142223260 is about 11925.7393900756. The cubic root of 142223260 is about 521.9836217661.

The spelling of 142223260 in words is "one hundred forty-two million, two hundred twenty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 23 41 46 82 92 115 164 205 230 410 460 820 943 1886 3772 4715 7541 9430 15082 18860 30164 37705 75410 150820 173443 309181 346886 618362 693772 867215 1236724 1545905 1734430 3091810 3468860 6183620 7111163 14222326 28444652 35555815 71111630 142223260