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1354724220 = 2235171328161
BaseRepresentation
bin101000010111111…
…0111001101111100
310111102011010021010
41100233313031330
510233302133340
6342232235220
745366652203
oct12057671574
93442133233
101354724220
116357853a3
1231983bb10
13187888785
14cbcc823a
157ddeeb80
hex50bf737c

1354724220 has 48 divisors (see below), whose sum is σ = 4016361888. Its totient is φ = 340008960.

The previous prime is 1354724201. The next prime is 1354724243. The reversal of 1354724220 is 224274531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663061 + ... + 665100.

It is an arithmetic number, because the mean of its divisors is an integer number (83674206).

Almost surely, 21354724220 is an apocalyptic number.

1354724220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354724220 is an abundant number, since it is smaller than the sum of its proper divisors (2661637668).

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

1354724220 is a wasteful number, since it uses less digits than its factorization.

1354724220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328190 (or 1328188 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1354724220 is about 36806.5784880910. The cubic root of 1354724220 is about 1106.4971468620.

Adding to 1354724220 its reverse (224274531), we get a palindrome (1578998751).

The spelling of 1354724220 in words is "one billion, three hundred fifty-four million, seven hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 1328161 2656322 3984483 5312644 6640805 7968966 13281610 15937932 19922415 22578737 26563220 39844830 45157474 67736211 79689660 90314948 112893685 135472422 225787370 270944844 338681055 451574740 677362110 1354724220