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1970072434 = 211435339293
BaseRepresentation
bin111010101101100…
…1110101101110010
312002022001001022201
41311123032231302
513013314304214
6523253253414
766551224261
oct16533165562
95068031281
101970072434
11921066640
1246b93426a
132551c9345
141499085d8
15b7e50274
hex756ceb72

1970072434 has 32 divisors (see below), whose sum is σ = 3361051584. Its totient is φ = 858137280.

The previous prime is 1970072417. The next prime is 1970072497. The reversal of 1970072434 is 4342700791.

It is a junction number, because it is equal to n+sod(n) for n = 1970072393 and 1970072402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30492 + ... + 69784.

It is an arithmetic number, because the mean of its divisors is an integer number (105032862).

Almost surely, 21970072434 is an apocalyptic number.

1970072434 is a deficient number, since it is larger than the sum of its proper divisors (1390979150).

1970072434 is a wasteful number, since it uses less digits than its factorization.

1970072434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39402.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1970072434 is about 44385.4980145543. The cubic root of 1970072434 is about 1253.6050455090.

The spelling of 1970072434 in words is "one billion, nine hundred seventy million, seventy-two thousand, four hundred thirty-four".

Divisors: 1 2 11 22 43 53 86 106 473 583 946 1166 2279 4558 25069 39293 50138 78586 432223 864446 1689599 2082529 3379198 4165058 18585589 22907819 37171178 45815638 89548747 179097494 985036217 1970072434