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151340 = 22572347
BaseRepresentation
bin100100111100101100
321200121012
4210330230
514320330
63124352
71200140
oct447454
9250535
10151340
11a3782
12736b8
1353b67
143d220
152ec95
hex24f2c

151340 has 48 divisors (see below), whose sum is σ = 387072. Its totient is φ = 48576.

The previous prime is 151339. The next prime is 151343. The reversal of 151340 is 43151.

151340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (151343) 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, 3197 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (8064).

2151340 is an apocalyptic number.

151340 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 151340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536).

151340 is an abundant number, since it is smaller than the sum of its proper divisors (235732).

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

151340 is a wasteful number, since it uses less digits than its factorization.

151340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 151340 is about 389.0244208273. The cubic root of 151340 is about 53.2906776990.

Adding to 151340 its reverse (43151), we get a palindrome (194491).

It can be divided in two parts, 15 and 1340, that multiplied together give a triangular number (20100 = T200).

The spelling of 151340 in words is "one hundred fifty-one thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 47 70 92 94 115 140 161 188 230 235 322 329 460 470 644 658 805 940 1081 1316 1610 1645 2162 3220 3290 4324 5405 6580 7567 10810 15134 21620 30268 37835 75670 151340