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7381240228 = 221845310057
BaseRepresentation
bin1101101111111010…
…01100100110100100
3201001102002212001201
412313331030212210
5110104044141403
63220233332244
7350625335545
oct66775144644
921042085051
107381240228
11314857703a
12151bb67084
139082a978b
1450043a4cc
152d302421d
hex1b7f4c9a4

7381240228 has 6 divisors (see below), whose sum is σ = 12917170406. Its totient is φ = 3690620112.

The previous prime is 7381240211. The next prime is 7381240231. The reversal of 7381240228 is 8220421837.

It can be written as a sum of positive squares in only one way, i.e., 5392258624 + 1988981604 = 73432^2 + 44598^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 922655025 + ... + 922655032.

Almost surely, 27381240228 is an apocalyptic number.

It is an amenable number.

7381240228 is a deficient number, since it is larger than the sum of its proper divisors (5535930178).

7381240228 is a wasteful number, since it uses less digits than its factorization.

7381240228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845310061 (or 1845310059 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 7381240228 is about 85914.1445164881. The cubic root of 7381240228 is about 1947.0470517040.

The spelling of 7381240228 in words is "seven billion, three hundred eighty-one million, two hundred forty thousand, two hundred twenty-eight".

Divisors: 1 2 4 1845310057 3690620114 7381240228