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146207268 = 2235349431
BaseRepresentation
bin10001011011011…
…11001000100100
3101012010002200000
420231233020210
5244412113033
622301421300
73423512154
oct1055571044
9335102600
10146207268
1175591759
1240b6a830
13243a179c
14155bc764
15cc80a13
hex8b6f224

146207268 has 72 divisors (see below), whose sum is σ = 385257600. Its totient is φ = 48483360.

The previous prime is 146207263. The next prime is 146207273. The reversal of 146207268 is 862702641.

146207268 is a `hidden beast` number, since 1 + 4 + 620 + 7 + 26 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (146207263) and next prime (146207273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (146207263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339013 + ... + 339443.

It is an arithmetic number, because the mean of its divisors is an integer number (5350800).

Almost surely, 2146207268 is an apocalyptic number.

146207268 is a gapful number since it is divisible by the number (18) 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 146207268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192628800).

146207268 is an abundant number, since it is smaller than the sum of its proper divisors (239050332).

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

146207268 is a wasteful number, since it uses less digits than its factorization.

146207268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 146207268 is about 12091.6197426151. The cubic root of 146207268 is about 526.8128026527.

The spelling of 146207268 in words is "one hundred forty-six million, two hundred seven thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 349 431 486 698 862 972 1047 1293 1396 1724 2094 2586 3141 3879 4188 5172 6282 7758 9423 11637 12564 15516 18846 23274 28269 34911 37692 46548 56538 69822 84807 104733 113076 139644 150419 169614 209466 300838 339228 418932 451257 601676 902514 1353771 1805028 2707542 4061313 5415084 8122626 12183939 16245252 24367878 36551817 48735756 73103634 146207268