Search a number
-
+
343900228 = 22721992347
BaseRepresentation
bin10100011111111…
…000000001000100
3212222002221102111
4110133320001010
51201014301403
654042550404
711344050400
oct2437700104
9788087374
10343900228
11167139371
1297208404
135632b979
1433960100
15202d156d
hex147f8044

343900228 has 36 divisors (see below), whose sum is σ = 736937040. Its totient is φ = 139627152.

The previous prime is 343900187. The next prime is 343900229. The reversal of 343900228 is 822009343.

It is a self number, because there is not a number n which added to its sum of digits gives 343900228.

It is not an unprimeable number, because it can be changed into a prime (343900229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42450 + ... + 49897.

Almost surely, 2343900228 is an apocalyptic number.

343900228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

343900228 is an abundant number, since it is smaller than the sum of its proper divisors (393036812).

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

343900228 is a wasteful number, since it uses less digits than its factorization.

343900228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92384 (or 92375 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 343900228 is about 18544.5471230764. The cubic root of 343900228 is about 700.6118650173.

The spelling of 343900228 in words is "three hundred forty-three million, nine hundred thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 196 266 532 931 1862 3724 92347 184694 369388 646429 1292858 1754593 2585716 3509186 4525003 7018372 9050006 12282151 18100012 24564302 49128604 85975057 171950114 343900228