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4542739128 = 2332434731219
BaseRepresentation
bin1000011101100010…
…01011001010111000
3102201120222001120100
410032301023022320
533300420123003
62030434355400
7220400434254
oct41661131270
912646861510
104542739128
111a21292164
12a6942bb60
135751bc025
14311473264
151b8c31ba3
hex10ec4b2b8

4542739128 has 96 divisors (see below), whose sum is σ = 12857644800. Its totient is φ = 1447516224.

The previous prime is 4542739093. The next prime is 4542739129. The reversal of 4542739128 is 8219372454.

4542739128 is a `hidden beast` number, since 454 + 2 + 73 + 9 + 128 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542739129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129903 + ... + 161121.

It is an arithmetic number, because the mean of its divisors is an integer number (133933800).

Almost surely, 24542739128 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 4542739128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6428822400).

4542739128 is an abundant number, since it is smaller than the sum of its proper divisors (8314905672).

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

4542739128 is a wasteful number, since it uses less digits than its factorization.

4542739128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31321 (or 31314 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 4542739128 is about 67399.8451630269. The cubic root of 4542739128 is about 1656.1738860325.

The spelling of 4542739128 in words is "four billion, five hundred forty-two million, seven hundred thirty-nine thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 43 47 72 86 94 129 141 172 188 258 282 344 376 387 423 516 564 774 846 1032 1128 1548 1692 2021 3096 3384 4042 6063 8084 12126 16168 18189 24252 31219 36378 48504 62438 72756 93657 124876 145512 187314 249752 280971 374628 561942 749256 1123884 1342417 1467293 2247768 2684834 2934586 4027251 4401879 5369668 5869172 8054502 8803758 10739336 11738344 12081753 13205637 16109004 17607516 24163506 26411274 32218008 35215032 48327012 52822548 63093599 96654024 105645096 126187198 189280797 252374396 378561594 504748792 567842391 757123188 1135684782 1514246376 2271369564 4542739128