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1407445319 = 7201063617
BaseRepresentation
bin101001111100011…
…1110100101000111
310122002100122000102
41103320332211013
510340301222234
6351354234315
746610042060
oct12370764507
93562318012
101407445319
11662514555
1233342599b
131957875a7
14d4ccd567
1583865c7e
hex53e3e947

1407445319 has 4 divisors (see below), whose sum is σ = 1608508944. Its totient is φ = 1206381696.

The previous prime is 1407445307. The next prime is 1407445357. The reversal of 1407445319 is 9135447041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1407445319 - 28 = 1407445063 is a prime.

It is a super-2 number, since 2×14074453192 = 3961804651950023522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407442319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100531802 + ... + 100531815.

It is an arithmetic number, because the mean of its divisors is an integer number (402127236).

Almost surely, 21407445319 is an apocalyptic number.

1407445319 is a deficient number, since it is larger than the sum of its proper divisors (201063625).

1407445319 is an equidigital number, since it uses as much as digits as its factorization.

1407445319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201063624.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1407445319 is about 37515.9342013497. The cubic root of 1407445319 is about 1120.6685313038.

The spelling of 1407445319 in words is "one billion, four hundred seven million, four hundred forty-five thousand, three hundred nineteen".

Divisors: 1 7 201063617 1407445319