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1383577420 = 225233007777
BaseRepresentation
bin101001001110111…
…1011011101001100
310120102110000102011
41102131323131030
510313143434140
6345142511004
746200133261
oct12235733514
93512400364
101383577420
1164aaa2215
12327435464
1319084b784
14d1a79268
15816edcea
hex5277b74c

1383577420 has 24 divisors (see below), whose sum is σ = 3031840224. Its totient is φ = 529368576.

The previous prime is 1383577411. The next prime is 1383577421. The reversal of 1383577420 is 247753831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1383577421) 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, 1503429 + ... + 1504348.

It is an arithmetic number, because the mean of its divisors is an integer number (126326676).

Almost surely, 21383577420 is an apocalyptic number.

1383577420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383577420 is an abundant number, since it is smaller than the sum of its proper divisors (1648262804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383577420 is a wasteful number, since it uses less digits than its factorization.

1383577420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007809 (or 3007807 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 1383577420 is about 37196.4705314899. The cubic root of 1383577420 is about 1114.2974976525.

The spelling of 1383577420 in words is "one billion, three hundred eighty-three million, five hundred seventy-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 3007777 6015554 12031108 15038885 30077770 60155540 69178871 138357742 276715484 345894355 691788710 1383577420