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4949440 = 26515467
BaseRepresentation
bin10010111000010111000000
3100022110100121
4102320113000
52231340230
6254030024
760032566
oct22702700
910273317
104949440
112880651
1217a8314
131043a82
1492ba36
1567b77a
hex4b85c0

4949440 has 28 divisors (see below), whose sum is σ = 11786616. Its totient is φ = 1979648.

The previous prime is 4949437. The next prime is 4949447. The reversal of 4949440 is 449494.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4949396 and 4949405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7414 + ... + 8053.

Almost surely, 24949440 is an apocalyptic number.

4949440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4949440 is an abundant number, since it is smaller than the sum of its proper divisors (6837176).

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

4949440 is a wasteful number, since it uses less digits than its factorization.

4949440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15484 (or 15474 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4949440 is about 2224.7336919281. The cubic root of 4949440 is about 170.4192650161.

The spelling of 4949440 in words is "four million, nine hundred forty-nine thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 15467 30934 61868 77335 123736 154670 247472 309340 494944 618680 989888 1237360 2474720 4949440