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742106880 = 28335109197
BaseRepresentation
bin101100001110111…
…010011100000000
31220201101221021000
4230032322130000
53004434410010
6201345532000
724250542624
oct5416723400
91821357230
10742106880
11350999979
12188644000
13ba992bc8
14707b9184
154523d7c0
hex2c3ba700

742106880 has 288 divisors, whose sum is σ = 2671099200. Its totient is φ = 195084288.

The previous prime is 742106879. The next prime is 742106903. The reversal of 742106880 is 88601247.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3766942 + ... + 3767138.

It is an arithmetic number, because the mean of its divisors is an integer number (9274650).

Almost surely, 2742106880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742106880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335549600).

742106880 is an abundant number, since it is smaller than the sum of its proper divisors (1928992320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742106880 is a wasteful number, since it uses less digits than its factorization.

742106880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 742106880 is about 27241.6387172284. The cubic root of 742106880 is about 905.3617714629.

The spelling of 742106880 in words is "seven hundred forty-two million, one hundred six thousand, eight hundred eighty".