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345136550 = 252111736913
BaseRepresentation
bin10100100100100…
…101110110100110
3220001102202100012
4110210211312212
51201323332200
654125250222
711360420003
oct2444456646
9801382305
10345136550
11167903220
1297703972
1356672615
1433ba28aa
1520477a35
hex14925da6

345136550 has 48 divisors (see below), whose sum is σ = 741528432. Its totient is φ = 118118400.

The previous prime is 345136549. The next prime is 345136553. The reversal of 345136550 is 55631543.

It is a super-3 number, since 3×3451365503 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345136553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9107 + ... + 27806.

It is an arithmetic number, because the mean of its divisors is an integer number (15448509).

Almost surely, 2345136550 is an apocalyptic number.

345136550 is an abundant number, since it is smaller than the sum of its proper divisors (396391882).

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

345136550 is a wasteful number, since it uses less digits than its factorization.

345136550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36953 (or 36948 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 345136550 is about 18577.8510597970. The cubic root of 345136550 is about 701.4504279538.

The spelling of 345136550 in words is "three hundred forty-five million, one hundred thirty-six thousand, five hundred fifty".

Divisors: 1 2 5 10 11 17 22 25 34 50 55 85 110 170 187 275 374 425 550 850 935 1870 4675 9350 36913 73826 184565 369130 406043 627521 812086 922825 1255042 1845650 2030215 3137605 4060430 6275210 6902731 10151075 13805462 15688025 20302150 31376050 34513655 69027310 172568275 345136550