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1532990437 = 11731909079
BaseRepresentation
bin101101101011111…
…1001001111100101
310221211120222112121
41123113321033211
511114421143222
6412041145541
752663126606
oct13327711745
93854528477
101532990437
11717373450
1236948b2b1
131b57a3444
1410784ddad
158e8b45c7
hex5b5f93e5

1532990437 has 8 divisors (see below), whose sum is σ = 1695263040. Its totient is φ = 1374536160.

The previous prime is 1532990413. The next prime is 1532990467. The reversal of 1532990437 is 7340992351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1532990437 - 27 = 1532990309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1532990393 and 1532990402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532990467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953737 + ... + 955342.

It is an arithmetic number, because the mean of its divisors is an integer number (211907880).

Almost surely, 21532990437 is an apocalyptic number.

It is an amenable number.

1532990437 is a deficient number, since it is larger than the sum of its proper divisors (162272603).

1532990437 is a wasteful number, since it uses less digits than its factorization.

1532990437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909163.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1532990437 is about 39153.4217789455. The cubic root of 1532990437 is about 1153.0455974066.

The spelling of 1532990437 in words is "one billion, five hundred thirty-two million, nine hundred ninety thousand, four hundred thirty-seven".

Divisors: 1 11 73 803 1909079 20999869 139362767 1532990437