Search a number
-
+
1145168248 = 23720449433
BaseRepresentation
bin100010001000001…
…1110000101111000
32221210211120111211
41010100132011320
54321130340443
6305344532504
740243524640
oct10420360570
92853746454
101145168248
11538465944
1227b621134
13153336a63
14ac139520
156a80919d
hex4441e178

1145168248 has 16 divisors (see below), whose sum is σ = 2453932080. Its totient is φ = 490786368.

The previous prime is 1145168231. The next prime is 1145168281. The reversal of 1145168248 is 8428615411.

It is a super-2 number, since 2×11451682482 = 2622820632454779008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145168248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10224661 + ... + 10224772.

It is an arithmetic number, because the mean of its divisors is an integer number (153370755).

Almost surely, 21145168248 is an apocalyptic number.

It is an amenable number.

1145168248 is an abundant number, since it is smaller than the sum of its proper divisors (1308763832).

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

1145168248 is a wasteful number, since it uses less digits than its factorization.

1145168248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20449446 (or 20449442 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 1145168248 is about 33840.3346319152. The cubic root of 1145168248 is about 1046.2201959815.

The spelling of 1145168248 in words is "one billion, one hundred forty-five million, one hundred sixty-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 20449433 40898866 81797732 143146031 163595464 286292062 572584124 1145168248