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381192000 = 2635372269
BaseRepresentation
bin10110101110001…
…000011101000000
3222120021120010020
4112232020131000
51240041121000
6101454133440
712306035640
oct2656103500
9876246106
10381192000
1118619a212
12a77b1280
1360c878c7
14388aa520
15236eaba0
hex16b88740

381192000 has 224 divisors, whose sum is σ = 1439143680. Its totient is φ = 87091200.

The previous prime is 381191977. The next prime is 381192017. The reversal of 381192000 is 291183.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 166866 + ... + 169134.

Almost surely, 2381192000 is an apocalyptic number.

381192000 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 381192000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719571840).

381192000 is an abundant number, since it is smaller than the sum of its proper divisors (1057951680).

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

381192000 is a wasteful number, since it uses less digits than its factorization.

381192000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 381192000 is about 19524.1389054678. The cubic root of 381192000 is about 725.0722084243.

The spelling of 381192000 in words is "three hundred eighty-one million, one hundred ninety-two thousand".