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389250355 = 5135988467
BaseRepresentation
bin10111001100110…
…111110100110011
31000010102222002211
4113030313310303
51244122002410
6102342552551
712434400454
oct2714676463
91003388084
10389250355
1118a7a360a
12aa438757
1362849770
14399a712b
152428d68a
hex17337d33

389250355 has 8 divisors (see below), whose sum is σ = 503031312. Its totient is φ = 287446368.

The previous prime is 389250349. The next prime is 389250361. The reversal of 389250355 is 553052983.

It is an interprime number because it is at equal distance from previous prime (389250349) and next prime (389250361).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389250355 - 227 = 255032627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994169 + ... + 2994298.

It is an arithmetic number, because the mean of its divisors is an integer number (62878914).

Almost surely, 2389250355 is an apocalyptic number.

389250355 is a deficient number, since it is larger than the sum of its proper divisors (113780957).

389250355 is a wasteful number, since it uses less digits than its factorization.

389250355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988485.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 389250355 is about 19729.4286536635. The cubic root of 389250355 is about 730.1459362955.

The spelling of 389250355 in words is "three hundred eighty-nine million, two hundred fifty thousand, three hundred fifty-five".

Divisors: 1 5 13 65 5988467 29942335 77850071 389250355