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1072690494 = 23473803867
BaseRepresentation
bin111111111011111…
…111010100111110
32202202110022201120
4333323333110332
54144102043434
6254235251410
735403501351
oct7773772476
92682408646
101072690494
11500562277
1225b2a9b66
1314130b505
14a2670298
156428e349
hex3feff53e

1072690494 has 16 divisors (see below), whose sum is σ = 2191027968. Its totient is φ = 349955672.

The previous prime is 1072690481. The next prime is 1072690499. The reversal of 1072690494 is 4940962701.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072690499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901652 + ... + 1902215.

It is an arithmetic number, because the mean of its divisors is an integer number (136939248).

Almost surely, 21072690494 is an apocalyptic number.

1072690494 is an abundant number, since it is smaller than the sum of its proper divisors (1118337474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072690494 is a wasteful number, since it uses less digits than its factorization.

1072690494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803919.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1072690494 is about 32751.9540485755. The cubic root of 1072690494 is about 1023.6656820566.

The spelling of 1072690494 in words is "one billion, seventy-two million, six hundred ninety thousand, four hundred ninety-four".

Divisors: 1 2 3 6 47 94 141 282 3803867 7607734 11411601 22823202 178781749 357563498 536345247 1072690494