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325870140 = 223519319221
BaseRepresentation
bin10011011011000…
…110001000111100
3211201011220210110
4103123012020330
51131410321030
652200310020
711034564501
oct2333061074
9751156713
10325870140
11157a44072
1291172310
135268808b
14313c94a8
151d91e1b0
hex136c623c

325870140 has 96 divisors (see below), whose sum is σ = 991549440. Its totient is φ = 79660800.

The previous prime is 325870133. The next prime is 325870147. The reversal of 325870140 is 41078523.

It is an interprime number because it is at equal distance from previous prime (325870133) and next prime (325870147).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 325870098 and 325870107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325870147) 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, 30730 + ... + 39950.

It is an arithmetic number, because the mean of its divisors is an integer number (10328640).

Almost surely, 2325870140 is an apocalyptic number.

325870140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325870140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495774720).

325870140 is an abundant number, since it is smaller than the sum of its proper divisors (665679300).

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

325870140 is a wasteful number, since it uses less digits than its factorization.

325870140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283 (or 9281 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 325870140 is about 18051.8735869715. The cubic root of 325870140 is about 688.1474777367.

The spelling of 325870140 in words is "three hundred twenty-five million, eight hundred seventy thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 31 38 57 60 62 76 93 95 114 124 155 186 190 228 285 310 372 380 465 570 589 620 930 1140 1178 1767 1860 2356 2945 3534 5890 7068 8835 9221 11780 17670 18442 27663 35340 36884 46105 55326 92210 110652 138315 175199 184420 276630 285851 350398 525597 553260 571702 700796 857553 875995 1051194 1143404 1429255 1715106 1751990 2102388 2627985 2858510 3430212 3503980 4287765 5255970 5431169 5717020 8575530 10511940 10862338 16293507 17151060 21724676 27155845 32587014 54311690 65174028 81467535 108623380 162935070 325870140