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142419888 = 24321376079
BaseRepresentation
bin10000111110100…
…10011110110000
3100220222200100200
420133102132300
5242424414023
622044315200
73346356222
oct1037223660
9326880320
10142419888
1173435196
123b842b00
1323676930
1414cb4412
15c783743
hex87d27b0

142419888 has 60 divisors (see below), whose sum is σ = 429243360. Its totient is φ = 43820928.

The previous prime is 142419833. The next prime is 142419943. The reversal of 142419888 is 888914241.

142419888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142419833) and next prime (142419943).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36168 + ... + 39911.

It is an arithmetic number, because the mean of its divisors is an integer number (7154056).

Almost surely, 2142419888 is an apocalyptic number.

142419888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142419888 is an abundant number, since it is smaller than the sum of its proper divisors (286823472).

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

142419888 is a wasteful number, since it uses less digits than its factorization.

142419888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76106 (or 76097 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 142419888 is about 11933.9803921408. The cubic root of 142419888 is about 522.2240637596.

It can be divided in two parts, 1424 and 19888, that added together give a palindrome (21312).

The spelling of 142419888 in words is "one hundred forty-two million, four hundred nineteen thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 76079 152158 228237 304316 456474 608632 684711 912948 989027 1217264 1369422 1825896 1978054 2738844 2967081 3651792 3956108 5477688 5934162 7912216 8901243 10955376 11868324 15824432 17802486 23736648 35604972 47473296 71209944 142419888