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380874031 = 1950119531
BaseRepresentation
bin10110101100111…
…010110100101111
3222112200101221121
4112230322310233
51240000432111
6101443241411
712303242626
oct2654726457
9875611847
10380874031
11185aa232a
12a7679267
1360ba5c65
14388266bd
1523686871
hex16b3ad2f

380874031 has 4 divisors (see below), whose sum is σ = 380913064. Its totient is φ = 380835000.

The previous prime is 380874017. The next prime is 380874037. The reversal of 380874031 is 130478083.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 380874031 - 27 = 380873903 is a prime.

It is a super-2 number, since 2×3808740312 = 290130054980377922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380874037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9736 + ... + 29266.

It is an arithmetic number, because the mean of its divisors is an integer number (95228266).

Almost surely, 2380874031 is an apocalyptic number.

380874031 is a deficient number, since it is larger than the sum of its proper divisors (39033).

380874031 is a wasteful number, since it uses less digits than its factorization.

380874031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39032.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 380874031 is about 19515.9942354982. The cubic root of 380874031 is about 724.8705474775.

The spelling of 380874031 in words is "three hundred eighty million, eight hundred seventy-four thousand, thirty-one".

Divisors: 1 19501 19531 380874031