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1382637652 = 221143730781
BaseRepresentation
bin101001001101001…
…0110000001010100
310120100200021021221
41102122112001110
510312423401102
6345110420124
746156140364
oct12232260124
93510607257
101382637652
1164a510150
12327061644
131905acab6
14d18b29a4
15815b5637
hex52696054

1382637652 has 24 divisors (see below), whose sum is σ = 2700970272. Its totient is φ = 613855200.

The previous prime is 1382637637. The next prime is 1382637653. The reversal of 1382637652 is 2567362831.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 1382637599 and 1382637608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382637653) 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, 363499 + ... + 367282.

It is an arithmetic number, because the mean of its divisors is an integer number (112540428).

Almost surely, 21382637652 is an apocalyptic number.

It is an amenable number.

1382637652 is a deficient number, since it is larger than the sum of its proper divisors (1318332620).

1382637652 is a wasteful number, since it uses less digits than its factorization.

1382637652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730839 (or 730837 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 1382637652 is about 37183.8358967980. The cubic root of 1382637652 is about 1114.0451522236.

The spelling of 1382637652 in words is "one billion, three hundred eighty-two million, six hundred thirty-seven thousand, six hundred fifty-two".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892 730781 1461562 2923124 8038591 16077182 31423583 32154364 62847166 125694332 345659413 691318826 1382637652