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1374022749 = 31183949627
BaseRepresentation
bin101000111100101…
…1110110001011101
310112202110120212110
41101321132301131
510303222211444
6344202024233
746023000141
oct12171366135
93482416773
101374022749
116456666a0
123241a8079
1318b884818
14d06ad221
1580962cb9
hex51e5ec5d

1374022749 has 16 divisors (see below), whose sum is σ = 2001000960. Its totient is φ = 831731760.

The previous prime is 1374022729. The next prime is 1374022823. The reversal of 1374022749 is 9472204731.

It is not a de Polignac number, because 1374022749 - 213 = 1374014557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374022729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2874 + ... + 52500.

It is an arithmetic number, because the mean of its divisors is an integer number (125062560).

Almost surely, 21374022749 is an apocalyptic number.

It is an amenable number.

1374022749 is a deficient number, since it is larger than the sum of its proper divisors (626978211).

1374022749 is a wasteful number, since it uses less digits than its factorization.

1374022749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50480.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1374022749 is about 37067.8128434900. The cubic root of 1374022749 is about 1111.7265420281.

The spelling of 1374022749 in words is "one billion, three hundred seventy-four million, twenty-two thousand, seven hundred forty-nine".

Divisors: 1 3 11 33 839 2517 9229 27687 49627 148881 545897 1637691 41637053 124911159 458007583 1374022749