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551142354 = 23713122437
BaseRepresentation
bin100000110110011…
…100001111010010
31102102001221011210
4200312130033102
52112043023404
6130404520550
716441430010
oct4066341722
91372057153
10551142354
11263118454
121346b0156
138a250449
14532a98b0
15335bb689
hex20d9c3d2

551142354 has 16 divisors (see below), whose sum is σ = 1259754048. Its totient is φ = 157469232.

The previous prime is 551142349. The next prime is 551142359. The reversal of 551142354 is 453241155.

It is an interprime number because it is at equal distance from previous prime (551142349) and next prime (551142359).

It is a super-2 number, since 2×5511423542 = 607515788745322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551142359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6561177 + ... + 6561260.

It is an arithmetic number, because the mean of its divisors is an integer number (78734628).

Almost surely, 2551142354 is an apocalyptic number.

551142354 is an abundant number, since it is smaller than the sum of its proper divisors (708611694).

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

551142354 is a wasteful number, since it uses less digits than its factorization.

551142354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13122449.

The product of its digits is 12000, while the sum is 30.

The square root of 551142354 is about 23476.4212349327. The cubic root of 551142354 is about 819.8881237415. Note that the first 3 decimals are identical.

The spelling of 551142354 in words is "five hundred fifty-one million, one hundred forty-two thousand, three hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 13122437 26244874 39367311 78734622 91857059 183714118 275571177 551142354