Base | Representation |
---|---|
bin | 101011011011011… |
… | …1101011110011011 |
3 | 10202120001212122220 |
4 | 1112312331132123 |
5 | 10441023420110 |
6 | 400333515123 |
7 | 51053255616 |
oct | 12666753633 |
9 | 3676055586 |
10 | 1457248155 |
11 | 688640120 |
12 | 348042aa3 |
13 | 1a2ba401c |
14 | db77517d |
15 | 87e02370 |
hex | 56dbd79b |
1457248155 has 32 divisors (see below), whose sum is σ = 2625619968. Its totient is φ = 683750400.
The previous prime is 1457248153. The next prime is 1457248157. The reversal of 1457248155 is 5518427541.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1457248153) and next prime (1457248157).
It is not a de Polignac number, because 1457248155 - 21 = 1457248153 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1457248153) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137334 + ... + 147563.
It is an arithmetic number, because the mean of its divisors is an integer number (82050624).
Almost surely, 21457248155 is an apocalyptic number.
1457248155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1457248155 is a deficient number, since it is larger than the sum of its proper divisors (1168371813).
1457248155 is a wasteful number, since it uses less digits than its factorization.
1457248155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284947.
The product of its digits is 224000, while the sum is 42.
The square root of 1457248155 is about 38173.9198275472. The cubic root of 1457248155 is about 1133.7340008285.
The spelling of 1457248155 in words is "one billion, four hundred fifty-seven million, two hundred forty-eight thousand, one hundred fifty-five".
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