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378073920 = 26357127443
BaseRepresentation
bin10110100010001…
…111001101000000
3222100102010220210
4112202033031000
51233241331140
6101303234120
712240401220
oct2642171500
9870363823
10378073920
1118445a594
12a6748940
13604355a3
14382d8080
15232d1d80
hex1688f340

378073920 has 224 divisors, whose sum is σ = 1385791488. Its totient is φ = 85542912.

The previous prime is 378073909. The next prime is 378073921. The reversal of 378073920 is 29370873.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378073921) 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, 853219 + ... + 853661.

Almost surely, 2378073920 is an apocalyptic number.

378073920 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 378073920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692895744).

378073920 is an abundant number, since it is smaller than the sum of its proper divisors (1007717568).

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

378073920 is a wasteful number, since it uses less digits than its factorization.

378073920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 378073920 is about 19444.1230195656. The cubic root of 378073920 is about 723.0898078516.

The spelling of 378073920 in words is "three hundred seventy-eight million, seventy-three thousand, nine hundred twenty".