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1379448276 = 223234998001
BaseRepresentation
bin101001000111000…
…1011010111010100
310120010200020021220
41102032023113110
510311114321101
6344514210340
746120055043
oct12216132724
93503606256
101379448276
116487319a8
12325b839b0
1318ca341ab
14d12c255a
1581185636
hex5238b5d4

1379448276 has 24 divisors (see below), whose sum is σ = 3358657344. Its totient is φ = 439824000.

The previous prime is 1379448263. The next prime is 1379448277. The reversal of 1379448276 is 6728449731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379448277) 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, 2498725 + ... + 2499276.

It is an arithmetic number, because the mean of its divisors is an integer number (139944056).

Almost surely, 21379448276 is an apocalyptic number.

It is an amenable number.

1379448276 is an abundant number, since it is smaller than the sum of its proper divisors (1979209068).

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

1379448276 is a wasteful number, since it uses less digits than its factorization.

1379448276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998031 (or 4998029 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 1379448276 is about 37140.9245442275. The cubic root of 1379448276 is about 1113.1878911286.

The spelling of 1379448276 in words is "one billion, three hundred seventy-nine million, four hundred forty-eight thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 4998001 9996002 14994003 19992004 29988006 59976012 114954023 229908046 344862069 459816092 689724138 1379448276