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380074251 = 3540723431
BaseRepresentation
bin10110101001110…
…111100100001011
3222111011202212010
4112221313210023
51234244334001
6101414151003
712263402124
oct2651674413
9874152763
10380074251
111855a6457
12a7352463
1360985c0b
143869904b
15235798d6
hex16a7790b

380074251 has 8 divisors (see below), whose sum is σ = 506881024. Its totient is φ = 253325160.

The previous prime is 380074217. The next prime is 380074259. The reversal of 380074251 is 152470083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380074251 - 210 = 380073227 is a prime.

It is a super-2 number, since 2×3800742512 = 288912872546422002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380074259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4506 + ... + 27936.

It is an arithmetic number, because the mean of its divisors is an integer number (63360128).

Almost surely, 2380074251 is an apocalyptic number.

380074251 is a deficient number, since it is larger than the sum of its proper divisors (126806773).

380074251 is a wasteful number, since it uses less digits than its factorization.

380074251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28841.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 380074251 is about 19495.4930945591. The cubic root of 380074251 is about 724.3628177287.

The spelling of 380074251 in words is "three hundred eighty million, seventy-four thousand, two hundred fifty-one".

Divisors: 1 3 5407 16221 23431 70293 126691417 380074251