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72868262 = 267543793
BaseRepresentation
bin1000101011111…
…10000110100110
312002010002110112
410111332012212
5122123241022
611121453022
71543240625
oct425760646
9162102415
1072868262
1138150005
12204a1172
131213421c
14996b6bc
1565e58e2
hex457e1a6

72868262 has 8 divisors (see below), whose sum is σ = 110933976. Its totient is φ = 35890272.

The previous prime is 72868261. The next prime is 72868291. The reversal of 72868262 is 26286827.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72868261) 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, 271763 + ... + 272030.

It is an arithmetic number, because the mean of its divisors is an integer number (13866747).

Almost surely, 272868262 is an apocalyptic number.

72868262 is a deficient number, since it is larger than the sum of its proper divisors (38065714).

72868262 is a wasteful number, since it uses less digits than its factorization.

72868262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543862.

The product of its digits is 129024, while the sum is 41.

The square root of 72868262 is about 8536.2908807046. The cubic root of 72868262 is about 417.6823628729.

The spelling of 72868262 in words is "seventy-two million, eight hundred sixty-eight thousand, two hundred sixty-two".

Divisors: 1 2 67 134 543793 1087586 36434131 72868262