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383572 = 227219103
BaseRepresentation
bin1011101101001010100
3201111011101
41131221110
544233242
612115444
73155200
oct1355124
9644141
10383572
11242202
12165b84
13105787
149db00
15789b7
hex5da54

383572 has 36 divisors (see below), whose sum is σ = 829920. Its totient is φ = 154224.

The previous prime is 383557. The next prime is 383573. The reversal of 383572 is 275383.

It is a Harshad number since it is a multiple of its sum of digits (28).

Its product of digits (5040) is a multiple of the sum of its prime factors (140).

It is a self number, because there is not a number n which added to its sum of digits gives 383572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3673 + ... + 3775.

2383572 is an apocalyptic number.

383572 is the 392-nd heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414960).

383572 is an abundant number, since it is smaller than the sum of its proper divisors (446348).

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

383572 is a wasteful number, since it uses less digits than its factorization.

383572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 131 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 383572 is about 619.3318980967. The cubic root of 383572 is about 72.6578092431.

The spelling of 383572 in words is "three hundred eighty-three thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 103 133 196 206 266 412 532 721 931 1442 1862 1957 2884 3724 3914 5047 7828 10094 13699 20188 27398 54796 95893 191786 383572