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1490147828 = 2213231245943
BaseRepresentation
bin101100011010001…
…1101100111110100
310211211222100112022
41120310131213310
511022434212303
6403511012312
751633022211
oct13064354764
93754870468
101490147828
116a5171134
1235706a098
131a9952aa0
14101c9ab08
158ac50438
hex58d1d9f4

1490147828 has 24 divisors (see below), whose sum is σ = 2930460288. Its totient is φ = 657857376.

The previous prime is 1490147821. The next prime is 1490147863. The reversal of 1490147828 is 8287410941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490147821) 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 7 ways as a sum of consecutive naturals, for example, 621776 + ... + 624167.

It is an arithmetic number, because the mean of its divisors is an integer number (122102512).

Almost surely, 21490147828 is an apocalyptic number.

It is an amenable number.

1490147828 is a deficient number, since it is larger than the sum of its proper divisors (1440312460).

1490147828 is a wasteful number, since it uses less digits than its factorization.

1490147828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245983 (or 1245981 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1490147828 is about 38602.4329285085. The cubic root of 1490147828 is about 1142.2025306280.

The spelling of 1490147828 in words is "one billion, four hundred ninety million, one hundred forty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 23 26 46 52 92 299 598 1196 1245943 2491886 4983772 16197259 28656689 32394518 57313378 64789036 114626756 372536957 745073914 1490147828