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4979400400 = 2452137113487
BaseRepresentation
bin1001010001100101…
…11001111011010000
3110212000121202020001
410220302321323100
540144211303100
62142033455344
7234252130222
oct45062717320
913760552201
104979400400
112125818247
12b6b711554
136147c8590
1435345c412
151e2237d6a
hex128cb9ed0

4979400400 has 120 divisors (see below), whose sum is σ = 13065663744. Its totient is φ = 1812518400.

The previous prime is 4979400373. The next prime is 4979400409. The reversal of 4979400400 is 40049794.

It is a self number, because there is not a number n which added to its sum of digits gives 4979400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979400409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362457 + ... + 375943.

Almost surely, 24979400400 is an apocalyptic number.

4979400400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4979400400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6532831872).

4979400400 is an abundant number, since it is smaller than the sum of its proper divisors (8086263344).

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

4979400400 is a wasteful number, since it uses less digits than its factorization.

4979400400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589 (or 13578 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 4979400400 is about 70564.8666122172. The cubic root of 4979400400 is about 1707.6243929421.

The spelling of 4979400400 in words is "four billion, nine hundred seventy-nine million, four hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 71 80 100 104 130 142 200 208 260 284 325 355 400 520 568 650 710 923 1040 1136 1300 1420 1775 1846 2600 2840 3550 3692 4615 5200 5680 7100 7384 9230 13487 14200 14768 18460 23075 26974 28400 36920 46150 53948 67435 73840 92300 107896 134870 175331 184600 215792 269740 337175 350662 369200 539480 674350 701324 876655 957577 1078960 1348700 1402648 1753310 1915154 2697400 2805296 3506620 3830308 4383275 4787885 5394800 7013240 7660616 8766550 9575770 12448501 14026480 15321232 17533100 19151540 23939425 24897002 35066200 38303080 47878850 49794004 62242505 70132400 76606160 95757700 99588008 124485010 191515400 199176016 248970020 311212525 383030800 497940040 622425050 995880080 1244850100 2489700200 4979400400