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140620572 = 223237193547
BaseRepresentation
bin10000110000110…
…11001100011100
3100210121021011100
420120123030130
5241444324242
621541553100
73325153341
oct1030331434
9323537140
10140620572
1172416354
123b115790
1323196951
14149667c8
15c52a54c
hex861b31c

140620572 has 72 divisors (see below), whose sum is σ = 367626896. Its totient is φ = 45287424.

The previous prime is 140620561. The next prime is 140620603. The reversal of 140620572 is 275026041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256803 + ... + 257349.

Almost surely, 2140620572 is an apocalyptic number.

140620572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140620572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183813448).

140620572 is an abundant number, since it is smaller than the sum of its proper divisors (227006324).

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

140620572 is a wasteful number, since it uses less digits than its factorization.

140620572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140620572 is about 11858.3545232886. The cubic root of 140620572 is about 520.0154975657.

The spelling of 140620572 in words is "one hundred forty million, six hundred twenty thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 193 222 333 386 444 547 579 666 772 1094 1158 1332 1641 1737 2188 2316 3282 3474 4923 6564 6948 7141 9846 14282 19692 20239 21423 28564 40478 42846 60717 64269 80956 85692 105571 121434 128538 182151 211142 242868 257076 316713 364302 422284 633426 728604 950139 1266852 1900278 3800556 3906127 7812254 11718381 15624508 23436762 35155143 46873524 70310286 140620572