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535145478 = 23747271097
BaseRepresentation
bin11111111001011…
…010110000000110
31101021222012120220
4133321122300012
52043444123403
6125034005210
716155442620
oct3771326006
91337865526
10535145478
1125509179a
1212b276806
1386b3c13a
1451103c10
1531eab953
hex1fe5ac06

535145478 has 32 divisors (see below), whose sum is σ = 1249219584. Its totient is φ = 149644992.

The previous prime is 535145477. The next prime is 535145483. The reversal of 535145478 is 874541535.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535145477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133575 + ... + 137522.

It is an arithmetic number, because the mean of its divisors is an integer number (39038112).

Almost surely, 2535145478 is an apocalyptic number.

535145478 is an abundant number, since it is smaller than the sum of its proper divisors (714074106).

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

535145478 is a wasteful number, since it uses less digits than its factorization.

535145478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271156.

The product of its digits is 336000, while the sum is 42.

The square root of 535145478 is about 23133.2115798909. The cubic root of 535145478 is about 811.8777135931.

The spelling of 535145478 in words is "five hundred thirty-five million, one hundred forty-five thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 271097 542194 813291 1626582 1897679 3795358 5693037 11386074 12741559 25483118 38224677 76449354 89190913 178381826 267572739 535145478