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2270396380 = 2257210132287
BaseRepresentation
bin1000011101010011…
…0111111111011100
312212020011002022211
42013110313333130
514122210141010
61013142250204
7110156023300
oct20724677734
95766132284
102270396380
11a6564144a
12534426964
132a24ab715
14177763d00
15d44c508a
hex87537fdc

2270396380 has 72 divisors (see below), whose sum is σ = 5554156608. Its totient is φ = 777313152.

The previous prime is 2270396357. The next prime is 2270396389. The reversal of 2270396380 is 836930722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270396389) 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, 991597 + ... + 993883.

It is an arithmetic number, because the mean of its divisors is an integer number (77141064).

Almost surely, 22270396380 is an apocalyptic number.

2270396380 is a gapful number since it is divisible by the number (20) 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 2270396380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777078304).

2270396380 is an abundant number, since it is smaller than the sum of its proper divisors (3283760228).

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

2270396380 is a wasteful number, since it uses less digits than its factorization.

2270396380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 2270396380 is about 47648.6765818317. The cubic root of 2270396380 is about 1314.3183212385.

The spelling of 2270396380 in words is "two billion, two hundred seventy million, three hundred ninety-six thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 1013 2026 2287 4052 4574 5065 7091 9148 10130 11435 14182 16009 20260 22870 28364 32018 35455 45740 49637 64036 70910 80045 99274 112063 141820 160090 198548 224126 248185 320180 448252 496370 560315 992740 1120630 2241260 2316731 4633462 9266924 11583655 16217117 23167310 32434234 46334620 64868468 81085585 113519819 162171170 227039638 324342340 454079276 567599095 1135198190 2270396380