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2025728136 = 233313816791
BaseRepresentation
bin111100010111110…
…0010100010001000
312020011202122121000
41320233202202020
513122041300021
6533002215000
7101125255635
oct17057424210
95204678530
102025728136
1194a51a593
124864b4460
132638b4b03
1415307518c
15bcc95b26
hex78be2888

2025728136 has 64 divisors (see below), whose sum is σ = 5631926400. Its totient is φ = 674654400.

The previous prime is 2025728119. The next prime is 2025728137. The reversal of 2025728136 is 6318275202.

2025728136 is a `hidden beast` number, since 2 + 0 + 2 + 572 + 81 + 3 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2025728136.

It is not an unprimeable number, because it can be changed into a prime (2025728137) 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, 294901 + ... + 301691.

It is an arithmetic number, because the mean of its divisors is an integer number (87998850).

Almost surely, 22025728136 is an apocalyptic number.

It is an amenable number.

2025728136 is an abundant number, since it is smaller than the sum of its proper divisors (3606198264).

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

2025728136 is a wasteful number, since it uses less digits than its factorization.

2025728136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8187 (or 8177 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2025728136 is about 45008.0896728577. The cubic root of 2025728136 is about 1265.3006177287.

The spelling of 2025728136 in words is "two billion, twenty-five million, seven hundred twenty-eight thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1381 2762 4143 5524 6791 8286 11048 12429 13582 16572 20373 24858 27164 33144 37287 40746 49716 54328 61119 74574 81492 99432 122238 149148 162984 183357 244476 298296 366714 488952 733428 1466856 9378371 18756742 28135113 37513484 56270226 75026968 84405339 112540452 168810678 225080904 253216017 337621356 506432034 675242712 1012864068 2025728136