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355400140 = 22523898681
BaseRepresentation
bin10101001011101…
…111100111001100
3220202202012100011
4111023233213030
51211440301030
655133243004
711543565004
oct2513574714
9822665304
10355400140
11172683427
129b033464
1358827154
14352b5004
1521303b2a
hex152ef9cc

355400140 has 48 divisors (see below), whose sum is σ = 787631040. Its totient is φ = 134435840.

The previous prime is 355400137. The next prime is 355400159. The reversal of 355400140 is 41004553.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36600 + ... + 45280.

It is an arithmetic number, because the mean of its divisors is an integer number (16408980).

Almost surely, 2355400140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 355400140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393815520).

355400140 is an abundant number, since it is smaller than the sum of its proper divisors (432230900).

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

355400140 is a wasteful number, since it uses less digits than its factorization.

355400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802 (or 8800 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 355400140 is about 18852.0593039593. The cubic root of 355400140 is about 708.3358100336.

Adding to 355400140 its reverse (41004553), we get a palindrome (396404693).

The spelling of 355400140 in words is "three hundred fifty-five million, four hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 89 92 115 178 230 356 445 460 890 1780 2047 4094 8188 8681 10235 17362 20470 34724 40940 43405 86810 173620 199663 399326 772609 798652 998315 1545218 1996630 3090436 3863045 3993260 7726090 15452180 17770007 35540014 71080028 88850035 177700070 355400140