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1409948380 = 225174146907
BaseRepresentation
bin101010000001010…
…0001101011011100
310122021001210120101
41110002201223130
510341421322010
6351524030444
746640235451
oct12402415334
93567053511
101409948380
116639740a5
12334232424
131961529a9
14d5381828
1583bac73a
hex540a1adc

1409948380 has 24 divisors (see below), whose sum is σ = 3135062448. Its totient is φ = 530803968.

The previous prime is 1409948377. The next prime is 1409948383. The reversal of 1409948380 is 838499041.

It is an interprime number because it is at equal distance from previous prime (1409948377) and next prime (1409948383).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1409948380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409948383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073114 + ... + 2073793.

It is an arithmetic number, because the mean of its divisors is an integer number (130627602).

Almost surely, 21409948380 is an apocalyptic number.

1409948380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1409948380 is an abundant number, since it is smaller than the sum of its proper divisors (1725114068).

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

1409948380 is a wasteful number, since it uses less digits than its factorization.

1409948380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146933 (or 4146931 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1409948380 is about 37549.2793539370. The cubic root of 1409948380 is about 1121.3324861525.

The spelling of 1409948380 in words is "one billion, four hundred nine million, nine hundred forty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 4146907 8293814 16587628 20734535 41469070 70497419 82938140 140994838 281989676 352487095 704974190 1409948380