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1348923401 = 7227529049
BaseRepresentation
bin101000001100110…
…1111000000001001
310111000020102000222
41100121233000021
510230311022101
6341504035425
745266442200
oct12031570011
93430212028
101348923401
11632483131
12317902b75
13186607337
14cb218237
157d65601b
hex5066f009

1348923401 has 6 divisors (see below), whose sum is σ = 1569155850. Its totient is φ = 1156220016.

The previous prime is 1348923397. The next prime is 1348923413. The reversal of 1348923401 is 1043298431.

It can be written as a sum of positive squares in only one way, i.e., 1346963401 + 1960000 = 36701^2 + 1400^2 .

It is not a de Polignac number, because 1348923401 - 22 = 1348923397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348923421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13764476 + ... + 13764573.

It is an arithmetic number, because the mean of its divisors is an integer number (261525975).

Almost surely, 21348923401 is an apocalyptic number.

It is an amenable number.

1348923401 is a deficient number, since it is larger than the sum of its proper divisors (220232449).

1348923401 is an equidigital number, since it uses as much as digits as its factorization.

1348923401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27529063 (or 27529056 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1348923401 is about 36727.6925629694. The cubic root of 1348923401 is about 1104.9155770422.

The spelling of 1348923401 in words is "one billion, three hundred forty-eight million, nine hundred twenty-three thousand, four hundred one".

Divisors: 1 7 49 27529049 192703343 1348923401