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1382223972 = 223967711903
BaseRepresentation
bin101001001100011…
…0001000001100100
310120022220020211110
41102120301001210
510312322131342
6345053505020
746152465333
oct12230610144
93508806743
101382223972
1164a258368
12326aa2170
1319049670c
14d1805d1a
1581532c9c
hex52631064

1382223972 has 24 divisors (see below), whose sum is σ = 3225793536. Its totient is φ = 460655008.

The previous prime is 1382223971. The next prime is 1382224009. The reversal of 1382223972 is 2793222831.

It is a self number, because there is not a number n which added to its sum of digits gives 1382223972.

It is not an unprimeable number, because it can be changed into a prime (1382223971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110173 + ... + 122075.

It is an arithmetic number, because the mean of its divisors is an integer number (134408064).

Almost surely, 21382223972 is an apocalyptic number.

1382223972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1382223972 is an abundant number, since it is smaller than the sum of its proper divisors (1843569564).

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

1382223972 is a wasteful number, since it uses less digits than its factorization.

1382223972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21587 (or 21585 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 1382223972 is about 37178.2728485335. The cubic root of 1382223972 is about 1113.9340350971.

The spelling of 1382223972 in words is "one billion, three hundred eighty-two million, two hundred twenty-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 9677 11903 19354 23806 29031 35709 38708 47612 58062 71418 116124 142836 115185331 230370662 345555993 460741324 691111986 1382223972