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401925930 = 23572793461
BaseRepresentation
bin10111111101001…
…110011100101010
31001000021221201120
4113331032130222
51310343112210
6103514400110
712650212500
oct2775163452
91030257646
10401925930
1119697099a
12b2730036
13653670c3
143b546670
1525444270
hex17f4e72a

401925930 has 96 divisors (see below), whose sum is σ = 1136643840. Its totient is φ = 90679680.

The previous prime is 401925913. The next prime is 401925941. The reversal of 401925930 is 39529104.

It is a junction number, because it is equal to n+sod(n) for n = 401925891 and 401925900.

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, 114400 + ... + 117860.

It is an arithmetic number, because the mean of its divisors is an integer number (11840040).

Almost surely, 2401925930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401925930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568321920).

401925930 is an abundant number, since it is smaller than the sum of its proper divisors (734717910).

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

401925930 is a wasteful number, since it uses less digits than its factorization.

401925930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 401925930 is about 20048.0904327569. The cubic root of 401925930 is about 737.9869380257.

The spelling of 401925930 in words is "four hundred one million, nine hundred twenty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 79 98 105 147 158 210 237 245 294 395 474 490 553 735 790 1106 1185 1470 1659 2370 2765 3318 3461 3871 5530 6922 7742 8295 10383 11613 16590 17305 19355 20766 23226 24227 34610 38710 48454 51915 58065 72681 103830 116130 121135 145362 169589 242270 273419 339178 363405 508767 546838 726810 820257 847945 1017534 1367095 1640514 1695890 1913933 2543835 2734190 3827866 4101285 5087670 5741799 8202570 9569665 11483598 13397531 19139330 26795062 28708995 40192593 57417990 66987655 80385186 133975310 200962965 401925930