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32423020 = 22571012293
BaseRepresentation
bin111101110101…
…1110001101100
32021000021000121
41323223301230
531300014040
63114534324
7542406520
oct173536154
967007017
1032423020
1117335993
12aa373a4
136942b26
14443dd80
152ca6c4a
hex1eebc6c

32423020 has 48 divisors (see below), whose sum is σ = 78619968. Its totient is φ = 11001600.

The previous prime is 32423009. The next prime is 32423021. The reversal of 32423020 is 2032423.

It is a junction number, because it is equal to n+sod(n) for n = 32422985 and 32423003.

It is not an unprimeable number, because it can be changed into a prime (32423021) 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, 12994 + ... + 15286.

It is an arithmetic number, because the mean of its divisors is an integer number (1637916).

Almost surely, 232423020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32423020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39309984).

32423020 is an abundant number, since it is smaller than the sum of its proper divisors (46196948).

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

32423020 is a wasteful number, since it uses less digits than its factorization.

32423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32423020 is about 5694.1215301397. The cubic root of 32423020 is about 318.8730541162.

Adding to 32423020 its reverse (2032423), we get a palindrome (34455443).

The spelling of 32423020 in words is "thirty-two million, four hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 101 140 202 404 505 707 1010 1414 2020 2293 2828 3535 4586 7070 9172 11465 14140 16051 22930 32102 45860 64204 80255 160510 231593 321020 463186 926372 1157965 1621151 2315930 3242302 4631860 6484604 8105755 16211510 32423020