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145279048 = 2367271043
BaseRepresentation
bin10001010100011…
…00100001001000
3101010100221101111
420222030201020
5244142412143
622225500104
73412565035
oct1052144110
9333327344
10145279048
1175008332
12407a1634
1324138145
141541a38c
15cb4a99d
hex8a8c848

145279048 has 16 divisors (see below), whose sum is σ = 276464880. Its totient is φ = 71555088.

The previous prime is 145279037. The next prime is 145279049. The reversal of 145279048 is 840972541.

It is a super-2 number, since 2×1452790482 = 42212003575572608, 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 145279048.

It is not an unprimeable number, because it can be changed into a prime (145279049) 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, 134986 + ... + 136057.

It is an arithmetic number, because the mean of its divisors is an integer number (17279055).

Almost surely, 2145279048 is an apocalyptic number.

It is an amenable number.

145279048 is a deficient number, since it is larger than the sum of its proper divisors (131185832).

145279048 is a wasteful number, since it uses less digits than its factorization.

145279048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271116 (or 271112 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 145279048 is about 12053.1758470538. The cubic root of 145279048 is about 525.6955835176.

The spelling of 145279048 in words is "one hundred forty-five million, two hundred seventy-nine thousand, forty-eight".

Divisors: 1 2 4 8 67 134 268 536 271043 542086 1084172 2168344 18159881 36319762 72639524 145279048