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382217140 = 22571269167
BaseRepresentation
bin10110110010000…
…010101110110100
3222122012122100101
4112302002232310
51240321422030
6101532123444
712320535454
oct2662025664
9878178311
10382217140
1118682a438
12a8006584
13612563b6
1438a95d64
152384e7ca
hex16c82bb4

382217140 has 24 divisors (see below), whose sum is σ = 813964032. Its totient is φ = 150732960.

The previous prime is 382217119. The next prime is 382217159. The reversal of 382217140 is 41712283.

It is a junction number, because it is equal to n+sod(n) for n = 382217099 and 382217108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133164 + ... + 136003.

It is an arithmetic number, because the mean of its divisors is an integer number (33915168).

Almost surely, 2382217140 is an apocalyptic number.

It is an amenable number.

382217140 is an abundant number, since it is smaller than the sum of its proper divisors (431746892).

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

382217140 is a wasteful number, since it uses less digits than its factorization.

382217140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269247 (or 269245 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 382217140 is about 19550.3744209670. The cubic root of 382217140 is about 725.7216057515.

The spelling of 382217140 in words is "three hundred eighty-two million, two hundred seventeen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 269167 538334 1076668 1345835 2691670 5383340 19110857 38221714 76443428 95554285 191108570 382217140