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742938 = 2373192
BaseRepresentation
bin10110101011000011010
31101202010020
42311120122
5142233223
623531310
76213000
oct2653032
91352106
10742938
114681a9
122b9b36
13200211
14154a70
15ea1e3
hexb561a

742938 has 48 divisors (see below), whose sum is σ = 1828800. Its totient is φ = 201096.

The previous prime is 742913. The next prime is 742943. The reversal of 742938 is 839247.

742938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (12096) is a multiple of the sum of its prime factors (64).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 742899 and 742908.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39093 + ... + 39111.

It is an arithmetic number, because the mean of its divisors is an integer number (38100).

2742938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914400).

742938 is an abundant number, since it is smaller than the sum of its proper divisors (1085862).

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

742938 is a wasteful number, since it uses less digits than its factorization.

742938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 31 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 742938 is about 861.9385128882. The cubic root of 742938 is about 90.5699630947.

The spelling of 742938 in words is "seven hundred forty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 343 361 399 686 722 798 931 1029 1083 1862 2058 2166 2527 2793 5054 5586 6517 7581 13034 15162 17689 19551 35378 39102 53067 106134 123823 247646 371469 742938