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378196938 = 2357195851
BaseRepresentation
bin10110100010101…
…101001111001010
3222100122101200000
4112202231033022
51233304300223
6101310023430
712241422660
oct2642551712
9870571600
10378196938
11184533a59
12a67a7b76
1360479592
143832ac30
1523308543
hex168ad3ca

378196938 has 96 divisors (see below), whose sum is σ = 1022461440. Its totient is φ = 102351600.

The previous prime is 378196927. The next prime is 378196963. The reversal of 378196938 is 839691873.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61713 + ... + 67563.

It is an arithmetic number, because the mean of its divisors is an integer number (10650640).

Almost surely, 2378196938 is an apocalyptic number.

378196938 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 378196938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511230720).

378196938 is an abundant number, since it is smaller than the sum of its proper divisors (644264502).

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

378196938 is a wasteful number, since it uses less digits than its factorization.

378196938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894 (or 5882 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 378196938 is about 19447.2861345742. The cubic root of 378196938 is about 723.1682258638.

The spelling of 378196938 in words is "three hundred seventy-eight million, one hundred ninety-six thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 19 21 27 38 42 54 57 63 81 114 126 133 162 171 189 243 266 342 378 399 486 513 567 798 1026 1134 1197 1539 1701 2394 3078 3402 3591 4617 5851 7182 9234 10773 11702 17553 21546 32319 35106 40957 52659 64638 81914 105318 111169 122871 157977 222338 245742 315954 333507 368613 473931 667014 737226 778183 947862 1000521 1105839 1421793 1556366 2001042 2211678 2334549 2843586 3001563 3317517 4669098 6003126 6635034 7003647 9004689 9952551 14007294 18009378 19905102 21010941 27014067 42021882 54028134 63032823 126065646 189098469 378196938