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4979488 = 25155609
BaseRepresentation
bin10010111111101100100000
3100100222120111
4102333230200
52233320423
6254421104
760216313
oct22775440
910328514
104979488
1128a1188
121801794
131054657
1493897a
1568560d
hex4bfb20

4979488 has 12 divisors (see below), whose sum is σ = 9803430. Its totient is φ = 2489728.

The previous prime is 4979479. The next prime is 4979489. The reversal of 4979488 is 8849794.

It can be written as a sum of positive squares in only one way, i.e., 4443664 + 535824 = 2108^2 + 732^2 .

It is not an unprimeable number, because it can be changed into a prime (4979489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77773 + ... + 77836.

Almost surely, 24979488 is an apocalyptic number.

It is an amenable number.

4979488 is a deficient number, since it is larger than the sum of its proper divisors (4823942).

4979488 is a wasteful number, since it uses less digits than its factorization.

4979488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155619 (or 155611 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 4979488 is about 2231.4766411504. The cubic root of 4979488 is about 170.7634406666.

The spelling of 4979488 in words is "four million, nine hundred seventy-nine thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 155609 311218 622436 1244872 2489744 4979488