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1274161442 = 23122790533
BaseRepresentation
bin100101111110010…
…0010100100100010
310021210120002220112
41023330202210202
510102141131232
6330233411322
743401123251
oct11374424442
93253502815
101274161442
115a425a394
122b6869b42
13173c8c1a8
14c1316798
1576cd94b2
hex4bf22922

1274161442 has 16 divisors (see below), whose sum is σ = 1981608192. Its totient is φ = 613806960.

The previous prime is 1274161433. The next prime is 1274161459. The reversal of 1274161442 is 2441614721.

It is a junction number, because it is equal to n+sod(n) for n = 1274161399 and 1274161408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31193 + ... + 59340.

It is an arithmetic number, because the mean of its divisors is an integer number (123850512).

Almost surely, 21274161442 is an apocalyptic number.

1274161442 is a deficient number, since it is larger than the sum of its proper divisors (707446750).

1274161442 is a wasteful number, since it uses less digits than its factorization.

1274161442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90793.

The product of its digits is 10752, while the sum is 32.

The square root of 1274161442 is about 35695.3980507292. The cubic root of 1274161442 is about 1084.1136672017.

The spelling of 1274161442 in words is "one billion, two hundred seventy-four million, one hundred sixty-one thousand, four hundred forty-two".

Divisors: 1 2 31 62 227 454 7037 14074 90533 181066 2806523 5613046 20550991 41101982 637080721 1274161442