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742877971 = 11378321991
BaseRepresentation
bin101100010001110…
…110101100010011
31220202212002222221
4230101312230103
53010134043341
6201414241511
724260233663
oct5421665423
91822762887
10742877971
11351376240
12188956297
13baba2b84
147093a1a3
1545341ed1
hex2c476b13

742877971 has 16 divisors (see below), whose sum is σ = 842381568. Its totient is φ = 649144800.

The previous prime is 742877959. The next prime is 742877981. The reversal of 742877971 is 179778247.

It is a happy number.

742877971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 742877971 - 25 = 742877939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742877981) 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, 22786 + ... + 44776.

It is an arithmetic number, because the mean of its divisors is an integer number (52648848).

Almost surely, 2742877971 is an apocalyptic number.

742877971 is a deficient number, since it is larger than the sum of its proper divisors (99503597).

742877971 is a wasteful number, since it uses less digits than its factorization.

742877971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22122.

The product of its digits is 1382976, while the sum is 52.

The square root of 742877971 is about 27255.7878440525. The cubic root of 742877971 is about 905.6752369389.

The spelling of 742877971 in words is "seven hundred forty-two million, eight hundred seventy-seven thousand, nine hundred seventy-one".

Divisors: 1 11 37 83 407 913 3071 21991 33781 241901 813667 1825253 8950337 20077783 67534361 742877971