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4170272 = 25194
BaseRepresentation
bin1111111010001000100000
321211212112112
433322020200
52031422042
6225214452
750306141
oct17721040
97755475
104170272
112399207
121491428
13b30222
147a7ac8
15575982
hex3fa220

4170272 has 30 divisors (see below), whose sum is σ = 8666343. Its totient is φ = 1975392.

The previous prime is 4170251. The next prime is 4170277. The reversal of 4170272 is 2720714.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 2085136 = 1444^2 + 1444^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1444.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4170277) by changing a digit.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 219479 + ... + 219497.

Almost surely, 24170272 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 4170272

4170272 is an abundant number, since it is smaller than the sum of its proper divisors (4496071).

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

4170272 is an frugal number, since it uses more digits than its factorization.

4170272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 4170272 is about 2042.1243840667. The cubic root of 4170272 is about 160.9612962017.

Adding to 4170272 its reverse (2720714), we get a palindrome (6890986).

The spelling of 4170272 in words is "four million, one hundred seventy thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 361 608 722 1444 2888 5776 6859 11552 13718 27436 54872 109744 130321 219488 260642 521284 1042568 2085136 4170272