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1145154304 = 287291291
BaseRepresentation
bin100010001000001…
…1010101100000000
32221210210212101101
41010100122230000
54321124414204
6305344344144
740243436200
oct10420325400
92853725341
101145154304
11538456418
1227b615054
131533305c8
14ac134400
156a804ea4
hex4441ab00

1145154304 has 54 divisors (see below), whose sum is σ = 2659062084. Its totient is φ = 490775040.

The previous prime is 1145154299. The next prime is 1145154319. The reversal of 1145154304 is 4034515411.

It is a super-2 number, since 2×11451543042 = 2622756759939448832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33102 + ... + 58189.

Almost surely, 21145154304 is an apocalyptic number.

1145154304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145154304 is an abundant number, since it is smaller than the sum of its proper divisors (1513907780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145154304 is an frugal number, since it uses more digits than its factorization.

1145154304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91321 (or 91300 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1145154304 is about 33840.1286049566. The cubic root of 1145154304 is about 1046.2159495738.

Adding to 1145154304 its reverse (4034515411), we get a palindrome (5179669715).

The spelling of 1145154304 in words is "one billion, one hundred forty-five million, one hundred fifty-four thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 6272 12544 91291 182582 365164 639037 730328 1278074 1460656 2556148 2921312 4473259 5112296 5842624 8946518 10224592 11685248 17893036 20449184 23370496 35786072 40898368 71572144 81796736 143144288 163593472 286288576 572577152 1145154304