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2542005828 = 223431337751
BaseRepresentation
bin1001011110000011…
…1110111001000100
320120011020021110000
42113200332321010
520201223141303
61100124001300
7116664456465
oct22740767104
96504207400
102542005828
11109499466a
125ab390230
13316848c7b
141a1866d6c
15ed276da3
hex9783ee44

2542005828 has 120 divisors (see below), whose sum is σ = 6889186304. Its totient is φ = 816480000.

The previous prime is 2542005803. The next prime is 2542005833. The reversal of 2542005828 is 8285002452.

2542005828 is a `hidden beast` number, since 2 + 54 + 20 + 0 + 582 + 8 = 666.

2542005828 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2542005792 and 2542005801.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3384453 + ... + 3385203.

Almost surely, 22542005828 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 2542005828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3444593152).

2542005828 is an abundant number, since it is smaller than the sum of its proper divisors (4347180476).

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

2542005828 is a wasteful number, since it uses less digits than its factorization.

2542005828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 2542005828 is about 50418.3084603202. The cubic root of 2542005828 is about 1364.7680513985.

The spelling of 2542005828 in words is "two billion, five hundred forty-two million, five thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 81 93 108 124 162 186 279 324 337 372 558 674 751 837 1011 1116 1348 1502 1674 2022 2253 2511 3004 3033 3348 4044 4506 5022 6066 6759 9012 9099 10044 10447 12132 13518 18198 20277 20894 23281 27036 27297 31341 36396 40554 41788 46562 54594 60831 62682 69843 81108 93124 94023 109188 121662 125364 139686 188046 209529 243324 253087 279372 282069 376092 419058 506174 564138 628587 759261 838116 846207 1012348 1128276 1257174 1518522 1692414 1885761 2277783 2514348 3037044 3384828 3771522 4555566 6833349 7543044 7845697 9111132 13666698 15691394 20500047 23537091 27333396 31382788 41000094 47074182 70611273 82000188 94148364 141222546 211833819 282445092 423667638 635501457 847335276 1271002914 2542005828