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270669420 = 223257214817
BaseRepresentation
bin10000001000100…
…001011001101100
3200212022102122100
4100020201121230
51023242410140
642505215100
76464436450
oct2010413154
9625272570
10270669420
11129870a3a
1276791490
13440cb728
1427d3a660
1518b68530
hex1022166c

270669420 has 72 divisors (see below), whose sum is σ = 938325024. Its totient is φ = 61867008.

The previous prime is 270669409. The next prime is 270669431. The reversal of 270669420 is 24966072.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (270669409) and next prime (270669431).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106149 + ... + 108668.

It is an arithmetic number, because the mean of its divisors is an integer number (13032292).

Almost surely, 2270669420 is an apocalyptic number.

270669420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270669420 is an abundant number, since it is smaller than the sum of its proper divisors (667655604).

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

270669420 is a wasteful number, since it uses less digits than its factorization.

270669420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214839 (or 214834 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 270669420 is about 16452.0339168141. The cubic root of 270669420 is about 646.8641223404.

The spelling of 270669420 in words is "two hundred seventy million, six hundred sixty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 214817 429634 644451 859268 1074085 1288902 1503719 1933353 2148170 2577804 3007438 3222255 3866706 4296340 4511157 6014876 6444510 7518595 7733412 9022314 9666765 12889020 13533471 15037190 18044628 19333530 22555785 27066942 30074380 38667060 45111570 54133884 67667355 90223140 135334710 270669420