[go: up one dir, main page]

Search a number
-
+
142423000 = 2353731951
BaseRepresentation
bin10000111110100…
…11001111011000
3100220222211121221
420133103033120
5242430014000
622044341424
73346401256
oct1037231730
9326884557
10142423000
1173437565
123b844874
1323678185
1414cb55d6
15c78461a
hex87d33d8

142423000 has 64 divisors (see below), whose sum is σ = 338008320. Its totient is φ = 56160000.

The previous prime is 142422979. The next prime is 142423013. The reversal of 142423000 is 324241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72025 + ... + 73975.

It is an arithmetic number, because the mean of its divisors is an integer number (5281380).

Almost surely, 2142423000 is an apocalyptic number.

142423000 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 142423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169004160).

142423000 is an abundant number, since it is smaller than the sum of its proper divisors (195585320).

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

142423000 is a wasteful number, since it uses less digits than its factorization.

142423000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 142423000 is about 11934.1107754202. The cubic root of 142423000 is about 522.2278674171.

Adding to 142423000 its reverse (324241), we get a palindrome (142747241).

The spelling of 142423000 in words is "one hundred forty-two million, four hundred twenty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 73 100 125 146 200 250 292 365 500 584 730 1000 1460 1825 1951 2920 3650 3902 7300 7804 9125 9755 14600 15608 18250 19510 36500 39020 48775 73000 78040 97550 142423 195100 243875 284846 390200 487750 569692 712115 975500 1139384 1424230 1951000 2848460 3560575 5696920 7121150 14242300 17802875 28484600 35605750 71211500 142423000