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3828150749 = 5964883911
BaseRepresentation
bin1110010000101100…
…1111000111011101
3100212210100012121002
43210023033013131
530320001310444
61431510320045
7163602513233
oct34413170735
910783305532
103828150749
111694989355
128aa059025
13490142777
142845bc953
1517612bd4e
hexe42cf1dd

3828150749 has 4 divisors (see below), whose sum is σ = 3893034720. Its totient is φ = 3763266780.

The previous prime is 3828150719. The next prime is 3828150779. The reversal of 3828150749 is 9470518283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9470518283 = 47201500389.

It is an interprime number because it is at equal distance from previous prime (3828150719) and next prime (3828150779).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3828150749 is a prime.

It is a super-2 number, since 2×38281507492 = 29309476314138522002, 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 (3828150719) 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, 32441897 + ... + 32442014.

It is an arithmetic number, because the mean of its divisors is an integer number (973258680).

Almost surely, 23828150749 is an apocalyptic number.

It is an amenable number.

3828150749 is a deficient number, since it is larger than the sum of its proper divisors (64883971).

3828150749 is an equidigital number, since it uses as much as digits as its factorization.

3828150749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64883970.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 3828150749 is about 61872.0514368160. The cubic root of 3828150749 is about 1564.3346937821.

The spelling of 3828150749 in words is "three billion, eight hundred twenty-eight million, one hundred fifty thousand, seven hundred forty-nine".

Divisors: 1 59 64883911 3828150749