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2504749420 = 2255913915271
BaseRepresentation
bin1001010101001011…
…0111000101101100
320110120010110021001
42111102313011230
520112203440140
61052313250044
7116033006305
oct22522670554
96416113231
102504749420
111075958348
1259aa03924
1330bc03164
1419a9297ac
15e9d67e9a
hex954b716c

2504749420 has 48 divisors (see below), whose sum is σ = 5387961600. Its totient is φ = 977768640.

The previous prime is 2504749393. The next prime is 2504749453. The reversal of 2504749420 is 249474052.

2504749420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2504749420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156385 + ... + 171655.

It is an arithmetic number, because the mean of its divisors is an integer number (112249200).

Almost surely, 22504749420 is an apocalyptic number.

2504749420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2504749420 is an abundant number, since it is smaller than the sum of its proper divisors (2883212180).

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

2504749420 is a wasteful number, since it uses less digits than its factorization.

2504749420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15478 (or 15476 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2504749420 is about 50047.4716644108. The cubic root of 2504749420 is about 1358.0677252337.

The spelling of 2504749420 in words is "two billion, five hundred four million, seven hundred forty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 139 236 278 295 556 590 695 1180 1390 2780 8201 15271 16402 30542 32804 41005 61084 76355 82010 152710 164020 305420 900989 1801978 2122669 3603956 4245338 4504945 8490676 9009890 10613345 18019780 21226690 42453380 125237471 250474942 500949884 626187355 1252374710 2504749420