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272221080 = 23353835923
BaseRepresentation
bin10000001110011…
…100001110011000
3200222020021010020
4100032130032120
51024142033310
643002350440
76513561315
oct2016341630
9628207106
10272221080
1112a7307aa
12771bb420
1344522a81
1428221d0c
1518d73170
hex1039c398

272221080 has 64 divisors (see below), whose sum is σ = 818933760. Its totient is φ = 72390528.

The previous prime is 272221073. The next prime is 272221087. The reversal of 272221080 is 80122272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (272221073) and next prime (272221087).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 272221080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272221087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42999 + ... + 48921.

It is an arithmetic number, because the mean of its divisors is an integer number (12795840).

Almost surely, 2272221080 is an apocalyptic number.

272221080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272221080 is an abundant number, since it is smaller than the sum of its proper divisors (546712680).

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

272221080 is a wasteful number, since it uses less digits than its factorization.

272221080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320 (or 6316 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 272221080 is about 16499.1236130893. The cubic root of 272221080 is about 648.0978552114.

The spelling of 272221080 in words is "two hundred seventy-two million, two hundred twenty-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 383 766 1149 1532 1915 2298 3064 3830 4596 5745 5923 7660 9192 11490 11846 15320 17769 22980 23692 29615 35538 45960 47384 59230 71076 88845 118460 142152 177690 236920 355380 710760 2268509 4537018 6805527 9074036 11342545 13611054 18148072 22685090 27222108 34027635 45370180 54444216 68055270 90740360 136110540 272221080