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194064630 = 23537359487
BaseRepresentation
bin10111001000100…
…11000011110110
3111112011111121220
423210103003312
5344140032010
631131251210
74544344044
oct1344230366
9445144556
10194064630
119a5a96a1
1254ba9b06
1331289856
141bab9394
1512085970
hexb9130f6

194064630 has 64 divisors (see below), whose sum is σ = 480660480. Its totient is φ = 50108544.

The previous prime is 194064583. The next prime is 194064631. The reversal of 194064630 is 36460491.

194064630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1940646302 = 75322161234073800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194064591 and 194064600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194064631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398247 + ... + 398733.

It is an arithmetic number, because the mean of its divisors is an integer number (7510320).

Almost surely, 2194064630 is an apocalyptic number.

194064630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 194064630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240330240).

194064630 is an abundant number, since it is smaller than the sum of its proper divisors (286595850).

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

194064630 is a wasteful number, since it uses less digits than its factorization.

194064630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 194064630 is about 13930.7081657753. The cubic root of 194064630 is about 578.9603153796.

The spelling of 194064630 in words is "one hundred ninety-four million, sixty-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 359 370 487 555 718 974 1077 1110 1461 1795 2154 2435 2922 3590 4870 5385 7305 10770 13283 14610 18019 26566 36038 39849 54057 66415 79698 90095 108114 132830 174833 180190 199245 270285 349666 398490 524499 540570 874165 1048998 1748330 2622495 5244990 6468821 12937642 19406463 32344105 38812926 64688210 97032315 194064630