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4331072 = 26313759
BaseRepresentation
bin10000100001011001000000
322011001010002
4100201121000
52102043242
6232455132
751546014
oct20413100
98131102
104331072
112498aa9
12154a4a8
13b88485
1480a544
155a8432
hex421640

4331072 has 56 divisors (see below), whose sum is σ = 9265920. Its totient is φ = 2004480.

The previous prime is 4331059. The next prime is 4331083. The reversal of 4331072 is 2701334.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73379 + ... + 73437.

Almost surely, 24331072 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 4331072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4632960).

4331072 is an abundant number, since it is smaller than the sum of its proper divisors (4934848).

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

4331072 is a wasteful number, since it uses less digits than its factorization.

4331072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 4331072 is about 2081.1227738891. The cubic root of 4331072 is about 163.0040773316.

The spelling of 4331072 in words is "four million, three hundred thirty-one thousand, seventy-two".

Divisors: 1 2 4 8 16 31 32 37 59 62 64 74 118 124 148 236 248 296 472 496 592 944 992 1147 1184 1829 1888 1984 2183 2294 2368 3658 3776 4366 4588 7316 8732 9176 14632 17464 18352 29264 34928 36704 58528 67673 69856 73408 117056 135346 139712 270692 541384 1082768 2165536 4331072