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380007157 = 1939832003
BaseRepresentation
bin10110101001100…
…111001011110101
3222111001100211011
4112221213023311
51234240212112
6101412512221
712263002405
oct2651471365
9874040734
10380007157
11185560002
12a731b671
136096150a
143867c805
1523564aa7
hex16a672f5

380007157 has 8 divisors (see below), whose sum is σ = 382555584. Its totient is φ = 377465088.

The previous prime is 380007119. The next prime is 380007161. The reversal of 380007157 is 751700083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380007157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380007167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188718 + ... + 190720.

It is an arithmetic number, because the mean of its divisors is an integer number (47819448).

Almost surely, 2380007157 is an apocalyptic number.

It is an amenable number.

380007157 is a deficient number, since it is larger than the sum of its proper divisors (2548427).

380007157 is a wasteful number, since it uses less digits than its factorization.

380007157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 380007157 is about 19493.7722619302. The cubic root of 380007157 is about 724.3201916201.

The spelling of 380007157 in words is "three hundred eighty million, seven thousand, one hundred fifty-seven".