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452728023 = 31149127941
BaseRepresentation
bin11010111111000…
…001010011010111
31011112212222002120
4122333001103113
51411344244043
6112531311023
714135060526
oct3277012327
91145788076
10452728023
1121260a2a0
1210774b473
1372a43607
14441ac4bd
1529b2b983
hex1afc14d7

452728023 has 16 divisors (see below), whose sum is σ = 659878272. Its totient is φ = 273812000.

The previous prime is 452727997. The next prime is 452728033. The reversal of 452728023 is 320827254.

It is not a de Polignac number, because 452728023 - 210 = 452726999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452728033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2233 + ... + 30173.

It is an arithmetic number, because the mean of its divisors is an integer number (41242392).

Almost surely, 2452728023 is an apocalyptic number.

452728023 is a deficient number, since it is larger than the sum of its proper divisors (207150249).

452728023 is a wasteful number, since it uses less digits than its factorization.

452728023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28446.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 452728023 is about 21277.4063973972. The cubic root of 452728023 is about 767.8548394403.

The spelling of 452728023 in words is "four hundred fifty-two million, seven hundred twenty-eight thousand, twenty-three".

Divisors: 1 3 11 33 491 1473 5401 16203 27941 83823 307351 922053 13719031 41157093 150909341 452728023