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1406961 = 32156329
BaseRepresentation
bin101010111011111110001
32122110222200
411113133301
5330010321
650053413
714646633
oct5273761
92573880
101406961
11881086
1257a269
133a352a
14288a53
151cbd26
hex1577f1

1406961 has 6 divisors (see below), whose sum is σ = 2032290. Its totient is φ = 937968.

The previous prime is 1406959. The next prime is 1406983. The reversal of 1406961 is 1696041.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 207936 = 1095^2 + 456^2 .

It is not a de Polignac number, because 1406961 - 21 = 1406959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1406161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78156 + ... + 78173.

It is an arithmetic number, because the mean of its divisors is an integer number (338715).

21406961 is an apocalyptic number.

It is an amenable number.

1406961 is a deficient number, since it is larger than the sum of its proper divisors (625329).

1406961 is a wasteful number, since it uses less digits than its factorization.

1406961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156335 (or 156332 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1406961 is about 1186.1538686022. The cubic root of 1406961 is about 112.0539971346.

The spelling of 1406961 in words is "one million, four hundred six thousand, nine hundred sixty-one".

Divisors: 1 3 9 156329 468987 1406961