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72463232 = 272712089
BaseRepresentation
bin1000101000110…
…11001110000000
312001100111212102
410110123032000
5122022310412
611105045532
71536633032
oct424331600
9161314772
1072463232
11379a3776
12203268a8
1312021a6a
1498a3c52
1565658c2
hex451b380

72463232 has 32 divisors (see below), whose sum is σ = 144962400. Its totient is φ = 36080640.

The previous prime is 72463229. The next prime is 72463241. The reversal of 72463232 is 23236427.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 72463195 and 72463204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33644 + ... + 35732.

It is an arithmetic number, because the mean of its divisors is an integer number (4530075).

Almost surely, 272463232 is an apocalyptic number.

It is an amenable number.

72463232 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

72463232 is a wasteful number, since it uses less digits than its factorization.

72463232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2362 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 72463232 is about 8512.5338178477. The cubic root of 72463232 is about 416.9070445155.

Adding to 72463232 its reverse (23236427), we get a palindrome (95699659).

The spelling of 72463232 in words is "seventy-two million, four hundred sixty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 271 542 1084 2089 2168 4178 4336 8356 8672 16712 17344 33424 34688 66848 133696 267392 566119 1132238 2264476 4528952 9057904 18115808 36231616 72463232