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1374404420 = 225611126561
BaseRepresentation
bin101000111101011…
…1011111101000100
310112210011222102102
41101322323331010
510303321420140
6344214131232
746026146654
oct12172737504
93483158372
101374404420
116458a7424
12324350b18
1318b98946c
14d076c364
15809dae15
hex51ebbf44

1374404420 has 24 divisors (see below), whose sum is σ = 2933567448. Its totient is φ = 540748800.

The previous prime is 1374404417. The next prime is 1374404429. The reversal of 1374404420 is 244044731.

It can be written as a sum of positive squares in 4 ways, for example, as 175721536 + 1198682884 = 13256^2 + 34622^2 .

It is not an unprimeable number, because it can be changed into a prime (1374404429) 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, 562061 + ... + 564500.

It is an arithmetic number, because the mean of its divisors is an integer number (122231977).

Almost surely, 21374404420 is an apocalyptic number.

1374404420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374404420 is an abundant number, since it is smaller than the sum of its proper divisors (1559163028).

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

1374404420 is a wasteful number, since it uses less digits than its factorization.

1374404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126631 (or 1126629 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 1374404420 is about 37072.9607665749. The cubic root of 1374404420 is about 1111.8294696056.

The spelling of 1374404420 in words is "one billion, three hundred seventy-four million, four hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 1126561 2253122 4506244 5632805 11265610 22531220 68720221 137440442 274880884 343601105 687202210 1374404420