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2248978764 = 223473987551
BaseRepresentation
bin1000011000001100…
…1011000101001100
312210201211221212210
42012003023011030
514101214310024
61011055230420
7106506001254
oct20603130514
95721757783
102248978764
11a5454303a
12529218410
1329ac1cc86
1417498a964
15d2694129
hex860cb14c

2248978764 has 24 divisors (see below), whose sum is σ = 5359269888. Its totient is φ = 733709200.

The previous prime is 2248978703. The next prime is 2248978769. The reversal of 2248978764 is 4678798422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2248978769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993212 + ... + 1994339.

It is an arithmetic number, because the mean of its divisors is an integer number (223302912).

Almost surely, 22248978764 is an apocalyptic number.

It is an amenable number.

2248978764 is an abundant number, since it is smaller than the sum of its proper divisors (3110291124).

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

2248978764 is a wasteful number, since it uses less digits than its factorization.

2248978764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987605 (or 3987603 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The square root of 2248978764 is about 47423.3989081339. The cubic root of 2248978764 is about 1310.1724155871.

The spelling of 2248978764 in words is "two billion, two hundred forty-eight million, nine hundred seventy-eight thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 3987551 7975102 11962653 15950204 23925306 47850612 187414897 374829794 562244691 749659588 1124489382 2248978764