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2090333440 = 28513125621
BaseRepresentation
bin111110010010111…
…1111010100000000
312101200022221102001
41330211333110000
513240111132230
6543231033344
7102541353406
oct17445772400
95350287361
102090333440
11982a364a8
124a406b854
132740b4cc0
1415b891476
15c37a80ca
hex7c97f500

2090333440 has 72 divisors (see below), whose sum is σ = 5392198728. Its totient is φ = 771809280.

The previous prime is 2090333411. The next prime is 2090333467. The reversal of 2090333440 is 443330902.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 2089586944 = 864^2 + 45712^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2090333399 and 2090333408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46171 + ... + 79450.

It is an arithmetic number, because the mean of its divisors is an integer number (74891649).

Almost surely, 22090333440 is an apocalyptic number.

2090333440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090333440 is an abundant number, since it is smaller than the sum of its proper divisors (3301865288).

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

2090333440 is a wasteful number, since it uses less digits than its factorization.

2090333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125655 (or 125641 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 2090333440 is about 45720.1644791442. The cubic root of 2090333440 is about 1278.6112542313.

The spelling of 2090333440 in words is "two billion, ninety million, three hundred thirty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 520 640 832 1040 1280 1664 2080 3328 4160 8320 16640 125621 251242 502484 628105 1004968 1256210 1633073 2009936 2512420 3266146 4019872 5024840 6532292 8039744 8165365 10049680 13064584 16079488 16330730 20099360 26129168 32158976 32661460 40198720 52258336 65322920 80397440 104516672 130645840 160794880 209033344 261291680 418066688 522583360 1045166720 2090333440