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4990454140 = 225750370867
BaseRepresentation
bin1001010010111010…
…00100100101111100
3110212210102100002211
410221131010211330
540210024013030
62143110430204
7234445105660
oct45135044574
913783370084
104990454140
112130a88071
12b73362364
13616b98959
14354ad88a0
151e31bd12a
hex12974497c

4990454140 has 48 divisors (see below), whose sum is σ = 12001070592. Its totient is φ = 1707587136.

The previous prime is 4990454123. The next prime is 4990454149. The reversal of 4990454140 is 414540994.

It is a junction number, because it is equal to n+sod(n) for n = 4990454093 and 4990454102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990454149) 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, 34987 + ... + 105853.

It is an arithmetic number, because the mean of its divisors is an integer number (250022304).

Almost surely, 24990454140 is an apocalyptic number.

It is an amenable number.

4990454140 is an abundant number, since it is smaller than the sum of its proper divisors (7010616452).

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

4990454140 is a wasteful number, since it uses less digits than its factorization.

4990454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71386 (or 71384 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 4990454140 is about 70643.1464474792. The cubic root of 4990454140 is about 1708.8870406801.

The spelling of 4990454140 in words is "four billion, nine hundred ninety million, four hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 503 1006 2012 2515 3521 5030 7042 10060 14084 17605 35210 70420 70867 141734 283468 354335 496069 708670 992138 1417340 1984276 2480345 4960690 9921380 35646101 71292202 142584404 178230505 249522707 356461010 499045414 712922020 998090828 1247613535 2495227070 4990454140