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1407521414 = 21354135439
BaseRepresentation
bin101001111100101…
…0001001010000110
310122002111111101202
41103321101022012
510340311141124
6351400022502
746610506655
oct12371211206
93562444352
101407521414
11662566742
12333461a32
131957b3110
14d4d0d19c
158387d5ae
hex53e51286

1407521414 has 8 divisors (see below), whose sum is σ = 2273688480. Its totient is φ = 649625256.

The previous prime is 1407521411. The next prime is 1407521417. The reversal of 1407521414 is 4141257041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1407521411) and next prime (1407521417).

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

It is a super-2 number, since 2×14075214142 = 3962233061737118792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407521411) 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, 27067694 + ... + 27067745.

It is an arithmetic number, because the mean of its divisors is an integer number (284211060).

Almost surely, 21407521414 is an apocalyptic number.

1407521414 is a deficient number, since it is larger than the sum of its proper divisors (866167066).

1407521414 is a wasteful number, since it uses less digits than its factorization.

1407521414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54135454.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1407521414 is about 37516.9483567094. The cubic root of 1407521414 is about 1120.6887276444.

Adding to 1407521414 its reverse (4141257041), we get a palindrome (5548778455).

The spelling of 1407521414 in words is "one billion, four hundred seven million, five hundred twenty-one thousand, four hundred fourteen".

Divisors: 1 2 13 26 54135439 108270878 703760707 1407521414