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1354272220 = 225722034391
BaseRepresentation
bin101000010111000…
…1000110111011100
310111101022011020101
41100232020313130
510233143202340
6342214430444
745363060340
oct12056106734
93441264211
101354272220
116354a6844
12319662424
1318775ab12
14cbc0b620
157dd60c9a
hex50b88ddc

1354272220 has 48 divisors (see below), whose sum is σ = 3252469248. Its totient is φ = 464005440.

The previous prime is 1354272217. The next prime is 1354272233. The reversal of 1354272220 is 222724531.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306225 + ... + 310615.

It is an arithmetic number, because the mean of its divisors is an integer number (67759776).

Almost surely, 21354272220 is an apocalyptic number.

1354272220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354272220 is an abundant number, since it is smaller than the sum of its proper divisors (1898197028).

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

1354272220 is a wasteful number, since it uses less digits than its factorization.

1354272220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610 (or 6608 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1354272220 is about 36800.4377691353. The cubic root of 1354272220 is about 1106.3740732661.

Adding to 1354272220 its reverse (222724531), we get a palindrome (1576996751).

The spelling of 1354272220 in words is "one billion, three hundred fifty-four million, two hundred seventy-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2203 4391 4406 8782 8812 11015 15421 17564 21955 22030 30737 30842 43910 44060 61474 61684 77105 87820 122948 153685 154210 307370 308420 614740 9673373 19346746 38693492 48366865 67713611 96733730 135427222 193467460 270854444 338568055 677136110 1354272220