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312379000 = 23531941401
BaseRepresentation
bin10010100111101…
…000011001111000
3210202210111102121
4102213220121320
51114432112000
650555211024
710512114643
oct2247503170
9722714377
10312379000
11150369a6a
1288746a74
134c94345b
142d6b6a5a
151c656b1a
hex129e8678

312379000 has 128 divisors (see below), whose sum is σ = 790171200. Its totient is φ = 115200000.

The previous prime is 312378977. The next prime is 312379021. The reversal of 312379000 is 973213.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778800 + ... + 779200.

Almost surely, 2312379000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312379000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395085600).

312379000 is an abundant number, since it is smaller than the sum of its proper divisors (477792200).

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

312379000 is a wasteful number, since it uses less digits than its factorization.

312379000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 312379000 is about 17674.2468014906. The cubic root of 312379000 is about 678.5168076335.

The spelling of 312379000 in words is "three hundred twelve million, three hundred seventy-nine thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 41 50 76 82 95 100 125 152 164 190 200 205 250 328 380 401 410 475 500 760 779 802 820 950 1000 1025 1558 1604 1640 1900 2005 2050 2375 3116 3208 3800 3895 4010 4100 4750 5125 6232 7619 7790 8020 8200 9500 10025 10250 15238 15580 16040 16441 19000 19475 20050 20500 30476 31160 32882 38095 38950 40100 41000 50125 60952 65764 76190 77900 80200 82205 97375 100250 131528 152380 155800 164410 190475 194750 200500 304760 312379 328820 380950 389500 401000 411025 624758 657640 761900 779000 822050 952375 1249516 1523800 1561895 1644100 1904750 2055125 2499032 3123790 3288200 3809500 4110250 6247580 7619000 7809475 8220500 12495160 15618950 16441000 31237900 39047375 62475800 78094750 156189500 312379000