Search a number
-
+
551154042 = 2321710311747
BaseRepresentation
bin100000110110011…
…111000101111010
31102102002112012200
4200312133011322
52112043412132
6130405051030
716441506045
oct4066370572
91372075180
10551154042
1126312620a
121346b6a76
138a25586a
14532adc5c
15335bed7c
hex20d9f17a

551154042 has 48 divisors (see below), whose sum is σ = 1266363072. Its totient is φ = 172644480.

The previous prime is 551154017. The next prime is 551154061. The reversal of 551154042 is 240451155.

It is a junction number, because it is equal to n+sod(n) for n = 551153997 and 551154015.

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, 314613 + ... + 316359.

It is an arithmetic number, because the mean of its divisors is an integer number (26382564).

Almost surely, 2551154042 is an apocalyptic number.

551154042 is an abundant number, since it is smaller than the sum of its proper divisors (715209030).

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

551154042 is a wasteful number, since it uses less digits than its factorization.

551154042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2800 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 551154042 is about 23476.6701642290. The cubic root of 551154042 is about 819.8939194520.

The spelling of 551154042 in words is "five hundred fifty-one million, one hundred fifty-four thousand, forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 1031 1747 2062 3093 3494 5241 6186 9279 10482 15723 17527 18558 29699 31446 35054 52581 59398 89097 105162 157743 178194 267291 315486 534582 1801157 3602314 5403471 10806942 16210413 30619669 32420826 61239338 91859007 183718014 275577021 551154042