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1499160961 = 31212492
BaseRepresentation
bin101100101011011…
…0110000110000001
310212110221021020001
41121112312012001
511032241122321
6404432120001
752102441444
oct13126660601
93773837201
101499160961
116aa267901
1235a096001
131ab78a3bc
1410316565b
158b930c91
hex595b6181

1499160961 has 9 divisors (see below), whose sum is σ = 1550322243. Its totient is φ = 1449639360.

The previous prime is 1499160937. The next prime is 1499160989. The reversal of 1499160961 is 1690619941.

1499160961 = T158 + T159 + ... + T2079.

The square root of 1499160961 is 38719.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 613503361 + 885657600 = 24769^2 + 29760^2 .

It is a de Polignac number, because none of the positive numbers 2k-1499160961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1499160991) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1199665 + ... + 1200913.

It is an arithmetic number, because the mean of its divisors is an integer number (172258027).

Almost surely, 21499160961 is an apocalyptic number.

1499160961 is the 38719-th square number.

1499160961 is the 19360-th centered octagonal number.

It is an amenable number.

1499160961 is a deficient number, since it is larger than the sum of its proper divisors (51161282).

1499160961 is an frugal number, since it uses more digits than its factorization.

1499160961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The cubic root of 1499160961 is about 1144.5007672134.

Multiplying 1499160961 by its product of nonzero digits (104976), we get a square (157375921041936 = 125449562).

The spelling of 1499160961 in words is "one billion, four hundred ninety-nine million, one hundred sixty thousand, nine hundred sixty-one".

Divisors: 1 31 961 1249 38719 1200289 1560001 48360031 1499160961