Search a number
-
+
381451701 = 3358135507
BaseRepresentation
bin10110101111000…
…111110110110101
3222120202202100210
4112233013312311
51240122423301
6101503500033
712311200041
oct2657076665
9876682323
10381451701
11186357344
12a78b7619
1361048b87
1438937021
152374cad6
hex16bc7db5

381451701 has 8 divisors (see below), whose sum is σ = 508758624. Its totient is φ = 254222960.

The previous prime is 381451699. The next prime is 381451709. The reversal of 381451701 is 107154183.

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

It is a cyclic number.

It is not a de Polignac number, because 381451701 - 21 = 381451699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381451709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7011 + ... + 28496.

It is an arithmetic number, because the mean of its divisors is an integer number (63594828).

Almost surely, 2381451701 is an apocalyptic number.

It is an amenable number.

381451701 is a deficient number, since it is larger than the sum of its proper divisors (127306923).

381451701 is a wasteful number, since it uses less digits than its factorization.

381451701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39091.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 381451701 is about 19530.7885401486. The cubic root of 381451701 is about 725.2368317036.

The spelling of 381451701 in words is "three hundred eighty-one million, four hundred fifty-one thousand, seven hundred one".

Divisors: 1 3 3581 10743 35507 106521 127150567 381451701