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72141346 = 2173208501
BaseRepresentation
bin1000100110011…
…00101000100010
312000202011022201
410103030220202
5121432010341
611054123414
71534122424
oct423145042
9160664281
1072141346
11377a3952
12201b056a
1311c3b3b4
14981c814
156500331
hex44cca22

72141346 has 8 divisors (see below), whose sum is σ = 108838044. Its totient is φ = 35862000.

The previous prime is 72141341. The next prime is 72141361. The reversal of 72141346 is 64314127.

It can be written as a sum of positive squares in 2 ways, for example, as 69906321 + 2235025 = 8361^2 + 1495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72141341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103905 + ... + 104596.

Almost surely, 272141346 is an apocalyptic number.

72141346 is a deficient number, since it is larger than the sum of its proper divisors (36696698).

72141346 is a wasteful number, since it uses less digits than its factorization.

72141346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208676.

The product of its digits is 4032, while the sum is 28.

The square root of 72141346 is about 8493.6061834771. The cubic root of 72141346 is about 416.2888195571.

The spelling of 72141346 in words is "seventy-two million, one hundred forty-one thousand, three hundred forty-six".

Divisors: 1 2 173 346 208501 417002 36070673 72141346