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132190820 = 225311012111
BaseRepresentation
bin1111110000100…
…01001001100100
3100012201222201022
413320101021210
5232320101240
621041150312
73163413656
oct770211144
9305658638
10132190820
1168688a13
123832b398
1321504a28
14137b06d6
15b9129b5
hex7e11264

132190820 has 48 divisors (see below), whose sum is σ = 289529856. Its totient is φ = 50640000.

The previous prime is 132190811. The next prime is 132190829. The reversal of 132190820 is 28091231.

It is an interprime number because it is at equal distance from previous prime (132190811) and next prime (132190829).

It is a self number, because there is not a number n which added to its sum of digits gives 132190820.

It is not an unprimeable number, because it can be changed into a prime (132190829) 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, 61565 + ... + 63675.

It is an arithmetic number, because the mean of its divisors is an integer number (6031872).

Almost surely, 2132190820 is an apocalyptic number.

132190820 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 132190820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144764928).

132190820 is an abundant number, since it is smaller than the sum of its proper divisors (157339036).

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

132190820 is a wasteful number, since it uses less digits than its factorization.

132190820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 132190820 is about 11497.4266686072. The cubic root of 132190820 is about 509.4095691846.

The spelling of 132190820 in words is "one hundred thirty-two million, one hundred ninety thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 101 124 155 202 310 404 505 620 1010 2020 2111 3131 4222 6262 8444 10555 12524 15655 21110 31310 42220 62620 65441 130882 213211 261764 327205 426422 654410 852844 1066055 1308820 2132110 4264220 6609541 13219082 26438164 33047705 66095410 132190820