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142246600 = 23523122943
BaseRepresentation
bin10000111101010…
…00001011001000
3100220122212122121
420132220023020
5242403342400
622040501024
73345035056
oct1036501310
9326585577
10142246600
1173326a81
123b77a774
1323615ab2
1414c6b1d6
15c74c21a
hex87a82c8

142246600 has 48 divisors (see below), whose sum is σ = 341406720. Its totient is φ = 55060800.

The previous prime is 142246591. The next prime is 142246603. The reversal of 142246600 is 6642241.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142246603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5272 + ... + 17671.

It is an arithmetic number, because the mean of its divisors is an integer number (7112640).

Almost surely, 2142246600 is an apocalyptic number.

142246600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142246600 is an abundant number, since it is smaller than the sum of its proper divisors (199160120).

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

142246600 is a wasteful number, since it uses less digits than its factorization.

142246600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22990 (or 22981 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 142246600 is about 11926.7179056101. The cubic root of 142246600 is about 522.0121741312.

Adding to 142246600 its reverse (6642241), we get a palindrome (148888841).

The spelling of 142246600 in words is "one hundred forty-two million, two hundred forty-six thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 155 200 248 310 620 775 1240 1550 3100 6200 22943 45886 91772 114715 183544 229430 458860 573575 711233 917720 1147150 1422466 2294300 2844932 3556165 4588600 5689864 7112330 14224660 17780825 28449320 35561650 71123300 142246600