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742722211 = 71131311153
BaseRepresentation
bin101100010001010…
…000101010100011
31220202120012100001
4230101100222203
53010114102321
6201411040431
724256014610
oct5421205243
91822505301
10742722211
1135127a210
121888a0117
13bab49cca
14708d9507
1545310c91
hex2c450aa3

742722211 has 16 divisors (see below), whose sum is σ = 955865088. Its totient is φ = 560073600.

The previous prime is 742722209. The next prime is 742722241. The reversal of 742722211 is 112227247.

It is a cyclic number.

It is not a de Polignac number, because 742722211 - 21 = 742722209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742722211.

It is not an unprimeable number, because it can be changed into a prime (742722241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153190 + ... + 157963.

It is an arithmetic number, because the mean of its divisors is an integer number (59741568).

Almost surely, 2742722211 is an apocalyptic number.

742722211 is a deficient number, since it is larger than the sum of its proper divisors (213142877).

742722211 is a wasteful number, since it uses less digits than its factorization.

742722211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311202.

The product of its digits is 3136, while the sum is 28.

The square root of 742722211 is about 27252.9303195088. The cubic root of 742722211 is about 905.6119345569.

Adding to 742722211 its reverse (112227247), we get a palindrome (854949458).

The spelling of 742722211 in words is "seven hundred forty-two million, seven hundred twenty-two thousand, two hundred eleven".

Divisors: 1 7 11 31 77 217 341 2387 311153 2178071 3422683 9645743 23958781 67520201 106103173 742722211