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381423692 = 22137992849
BaseRepresentation
bin10110101111000…
…001000001001100
3222120201022221102
4112233001001030
51240121024232
6101503122232
712311022266
oct2657010114
9876638842
10381423692
111863382a1
12a78a3378
13610391c0
143892ab36
1523744662
hex16bc104c

381423692 has 24 divisors (see below), whose sum is σ = 727944000. Its totient is φ = 173811456.

The previous prime is 381423673. The next prime is 381423719. The reversal of 381423692 is 296324183.

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, 42317 + ... + 50532.

It is an arithmetic number, because the mean of its divisors is an integer number (30331000).

Almost surely, 2381423692 is an apocalyptic number.

It is an amenable number.

381423692 is a deficient number, since it is larger than the sum of its proper divisors (346520308).

381423692 is a wasteful number, since it uses less digits than its factorization.

381423692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92945 (or 92943 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 381423692 is about 19530.0714796439. The cubic root of 381423692 is about 725.2190805217.

The spelling of 381423692 in words is "three hundred eighty-one million, four hundred twenty-three thousand, six hundred ninety-two".

Divisors: 1 2 4 13 26 52 79 158 316 1027 2054 4108 92849 185698 371396 1207037 2414074 4828148 7335071 14670142 29340284 95355923 190711846 381423692