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1379414940 = 223522990249
BaseRepresentation
bin101001000111000…
…0011001110011100
310120010121112120020
41102032003032130
510311112234230
6344513352140
746116555621
oct12216031634
93503545506
101379414940
11648709952
12325b68650
1318ca21c77
14d12b4348
158117a810
hex5238339c

1379414940 has 24 divisors (see below), whose sum is σ = 3862362000. Its totient is φ = 367843968.

The previous prime is 1379414929. The next prime is 1379414951. The reversal of 1379414940 is 494149731.

It is an interprime number because it is at equal distance from previous prime (1379414929) and next prime (1379414951).

It is a junction number, because it is equal to n+sod(n) for n = 1379414892 and 1379414901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11495065 + ... + 11495184.

It is an arithmetic number, because the mean of its divisors is an integer number (160931750).

Almost surely, 21379414940 is an apocalyptic number.

1379414940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379414940 is an abundant number, since it is smaller than the sum of its proper divisors (2482947060).

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

1379414940 is a wasteful number, since it uses less digits than its factorization.

1379414940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22990261 (or 22990259 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1379414940 is about 37140.4757643194. The cubic root of 1379414940 is about 1113.1789238888.

The spelling of 1379414940 in words is "one billion, three hundred seventy-nine million, four hundred fourteen thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 22990249 45980498 68970747 91960996 114951245 137941494 229902490 275882988 344853735 459804980 689707470 1379414940