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1552431045 = 351129324437
BaseRepresentation
bin101110010001000…
…0011011111000101
311000012011200001010
41130202003133011
511134410243140
6414013552433
753320306014
oct13442033705
94005150033
101552431045
11727341470
12373aa5719
131b981c069
1410a270a7b
1591454880
hex5c8837c5

1552431045 has 32 divisors (see below), whose sum is σ = 2803144320. Its totient is φ = 726736640.

The previous prime is 1552431031. The next prime is 1552431053. The reversal of 1552431045 is 5401342551.

It is not a de Polignac number, because 1552431045 - 27 = 1552430917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157434 + ... + 167003.

It is an arithmetic number, because the mean of its divisors is an integer number (87598260).

Almost surely, 21552431045 is an apocalyptic number.

1552431045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1552431045 is a deficient number, since it is larger than the sum of its proper divisors (1250713275).

1552431045 is a wasteful number, since it uses less digits than its factorization.

1552431045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324485.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1552431045 is about 39400.9015759792. The cubic root of 1552431045 is about 1157.8992510211.

Adding to 1552431045 its reverse (5401342551), we get a palindrome (6953773596).

The spelling of 1552431045 in words is "one billion, five hundred fifty-two million, four hundred thirty-one thousand, forty-five".

Divisors: 1 3 5 11 15 29 33 55 87 145 165 319 435 957 1595 4785 324437 973311 1622185 3568807 4866555 9408673 10706421 17844035 28226019 47043365 53532105 103495403 141130095 310486209 517477015 1552431045