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345508950 = 235231671109
BaseRepresentation
bin10100100110000…
…000110001010110
3220002010200011210
4110212000301112
51201422241300
654141242250
711363530503
oct2446006126
9802120153
10345508950
11168037a96
1297863386
1356772c87
1433c5c4aa
15204ed050
hex14980c56

345508950 has 96 divisors (see below), whose sum is σ = 898513920. Its totient is φ = 87753600.

The previous prime is 345508903. The next prime is 345508957. The reversal of 345508950 is 59805543.

It is a junction number, because it is equal to n+sod(n) for n = 345508899 and 345508908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345508957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310996 + ... + 312104.

It is an arithmetic number, because the mean of its divisors is an integer number (9359520).

Almost surely, 2345508950 is an apocalyptic number.

345508950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345508950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449256960).

345508950 is an abundant number, since it is smaller than the sum of its proper divisors (553004970).

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

345508950 is a wasteful number, since it uses less digits than its factorization.

345508950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 345508950 is about 18587.8710453887. The cubic root of 345508950 is about 701.7026240233.

The spelling of 345508950 in words is "three hundred forty-five million, five hundred eight thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 67 75 93 134 150 155 186 201 310 335 402 465 670 775 930 1005 1109 1550 1675 2010 2077 2218 2325 3327 3350 4154 4650 5025 5545 6231 6654 10050 10385 11090 12462 16635 20770 27725 31155 33270 34379 51925 55450 62310 68758 74303 83175 103137 103850 148606 155775 166350 171895 206274 222909 311550 343790 371515 445818 515685 743030 859475 1031370 1114545 1718950 1857575 2229090 2303393 2578425 3715150 4606786 5156850 5572725 6910179 11145450 11516965 13820358 23033930 34550895 57584825 69101790 115169650 172754475 345508950