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551142332 = 221329365479
BaseRepresentation
bin100000110110011…
…100001110111100
31102102001221010222
4200312130032330
52112043023312
6130404520512
716441426646
oct4066341674
91372057128
10551142332
11263118434
121346b0138
138a250430
14532a9896
15335bb672
hex20d9c3bc

551142332 has 24 divisors (see below), whose sum is σ = 1074511200. Its totient is φ = 245601216.

The previous prime is 551142313. The next prime is 551142349. The reversal of 551142332 is 233241155.

It is a happy number.

551142332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181232 + ... + 184247.

It is an arithmetic number, because the mean of its divisors is an integer number (44771300).

Almost surely, 2551142332 is an apocalyptic number.

551142332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

551142332 is a deficient number, since it is larger than the sum of its proper divisors (523368868).

551142332 is a wasteful number, since it uses less digits than its factorization.

551142332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365525 (or 365523 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 551142332 is about 23476.4207663775. The cubic root of 551142332 is about 819.8881128323. Note that the first 3 decimals are identical.

Adding to 551142332 its reverse (233241155), we get a palindrome (784383487).

The spelling of 551142332 in words is "five hundred fifty-one million, one hundred forty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 365479 730958 1461916 4751227 9502454 10598891 19004908 21197782 42395564 137785583 275571166 551142332