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1307630 = 25433041
BaseRepresentation
bin100111111001111101110
32110102201202
410333033232
5313321010
644005502
714054222
oct4771756
92412652
101307630
11813495
12530892
1336a25c
14260782
151ac6a5
hex13f3ee

1307630 has 16 divisors (see below), whose sum is σ = 2409264. Its totient is φ = 510720.

The previous prime is 1307627. The next prime is 1307633. The reversal of 1307630 is 367031.

It is an interprime number because it is at equal distance from previous prime (1307627) and next prime (1307633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 1950.

It is an arithmetic number, because the mean of its divisors is an integer number (150579).

21307630 is an apocalyptic number.

1307630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1307630 is a deficient number, since it is larger than the sum of its proper divisors (1101634).

1307630 is a wasteful number, since it uses less digits than its factorization.

1307630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 1307630 is about 1143.5165062211. The cubic root of 1307630 is about 109.3523931508.

The spelling of 1307630 in words is "one million, three hundred seven thousand, six hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 3041 6082 15205 30410 130763 261526 653815 1307630