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389435034 = 232325111243
BaseRepresentation
bin10111001101100…
…100111010011010
31000010210100102210
4113031210322122
51244143410114
6102350535550
712436100052
oct2715447232
91003710383
10389435034
1118a90a33a
12aa5075b6
13628b2841
1439a14562
15242c8259
hex17364e9a

389435034 has 32 divisors (see below), whose sum is σ = 816044544. Its totient is φ = 123662000.

The previous prime is 389435029. The next prime is 389435083. The reversal of 389435034 is 430534983.

It is a junction number, because it is equal to n+sod(n) for n = 389434983 and 389435001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29017 + ... + 40259.

It is an arithmetic number, because the mean of its divisors is an integer number (25501392).

Almost surely, 2389435034 is an apocalyptic number.

389435034 is an abundant number, since it is smaller than the sum of its proper divisors (426609510).

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

389435034 is a wasteful number, since it uses less digits than its factorization.

389435034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 389435034 is about 19734.1083913107. The cubic root of 389435034 is about 730.2613900987.

The spelling of 389435034 in words is "three hundred eighty-nine million, four hundred thirty-five thousand, thirty-four".

Divisors: 1 2 3 6 23 46 69 138 251 502 753 1506 5773 11243 11546 17319 22486 33729 34638 67458 258589 517178 775767 1551534 2821993 5643986 8465979 16931958 64905839 129811678 194717517 389435034