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1374436234 = 2687218117
BaseRepresentation
bin101000111101100…
…0011101110001010
310112210020121001201
41101323003232022
510303323424414
6344214534414
746026341503
oct12173035612
93483217051
101374436234
11645919316
1232436740a
1318b99aaa2
14d0779baa
15809e5574
hex51ec3b8a

1374436234 has 4 divisors (see below), whose sum is σ = 2061654354. Its totient is φ = 687218116.

The previous prime is 1374436229. The next prime is 1374436241. The reversal of 1374436234 is 4326344731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4326344731 = 5983372307.

It can be written as a sum of positive squares in only one way, i.e., 1334075625 + 40360609 = 36525^2 + 6353^2 .

It is a super-2 number, since 2×13744362342 = 3778149922664205512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1374436193 and 1374436202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343609057 + ... + 343609060.

Almost surely, 21374436234 is an apocalyptic number.

1374436234 is a deficient number, since it is larger than the sum of its proper divisors (687218120).

1374436234 is an equidigital number, since it uses as much as digits as its factorization.

1374436234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687218119.

The product of its digits is 145152, while the sum is 37.

The square root of 1374436234 is about 37073.3898369167. The cubic root of 1374436234 is about 1111.8380482232.

The spelling of 1374436234 in words is "one billion, three hundred seventy-four million, four hundred thirty-six thousand, two hundred thirty-four".

Divisors: 1 2 687218117 1374436234