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34381632 = 263331541
BaseRepresentation
bin1000001100100…
…1111101000000
32101200202201210
42003021331000
532300203012
63224530120
7565144665
oct203117500
971622653
1034381632
111845347a
12b620940
13717a47c
1447cda6c
15304223c
hex20c9f40

34381632 has 56 divisors (see below), whose sum is σ = 91411552. Its totient is φ = 11404800.

The previous prime is 34381631. The next prime is 34381637. The reversal of 34381632 is 23618343.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 34381632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34381631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63282 + ... + 63822.

Almost surely, 234381632 is an apocalyptic number.

34381632 is a gapful number since it is divisible by the number (32) 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 34381632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45705776).

34381632 is an abundant number, since it is smaller than the sum of its proper divisors (57029920).

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

34381632 is a wasteful number, since it uses less digits than its factorization.

34381632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 877 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 34381632 is about 5863.5852513629. The cubic root of 34381632 is about 325.1687707258.

Adding to 34381632 its reverse (23618343), we get a palindrome (57999975).

The spelling of 34381632 in words is "thirty-four million, three hundred eighty-one thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 331 541 662 993 1082 1324 1623 1986 2164 2648 3246 3972 4328 5296 6492 7944 8656 10592 12984 15888 17312 21184 25968 31776 34624 51936 63552 103872 179071 358142 537213 716284 1074426 1432568 2148852 2865136 4297704 5730272 8595408 11460544 17190816 34381632