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1408246242 = 23133472273
BaseRepresentation
bin101001111110000…
…0010000111100010
310122010212022200020
41103330002013202
510341002334432
6351423334310
746616616114
oct12374020742
93563768606
101408246242
11662a11277
12333751396
131959a8000
14d505b3b4
158397322c
hex53f021e2

1408246242 has 64 divisors (see below), whose sum is σ = 3117381120. Its totient is φ = 423900672.

The previous prime is 1408246241. The next prime is 1408246243. The reversal of 1408246242 is 2426428041.

It is an interprime number because it is at equal distance from previous prime (1408246241) and next prime (1408246243).

It is not an unprimeable number, because it can be changed into a prime (1408246241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618418 + ... + 620690.

It is an arithmetic number, because the mean of its divisors is an integer number (48709080).

Almost surely, 21408246242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1408246242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558690560).

1408246242 is an abundant number, since it is smaller than the sum of its proper divisors (1709134878).

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

1408246242 is a wasteful number, since it uses less digits than its factorization.

1408246242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 1408246242 is about 37526.6071208150. The cubic root of 1408246242 is about 1120.8810674468.

The spelling of 1408246242 in words is "one billion, four hundred eight million, two hundred forty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 169 282 338 507 611 1014 1222 1833 2197 2273 3666 4394 4546 6591 6819 7943 13182 13638 15886 23829 29549 47658 59098 88647 103259 106831 177294 206518 213662 309777 320493 384137 619554 640986 768274 1152411 1388803 2304822 2777606 4166409 4993781 8332818 9987562 14981343 18054439 29962686 36108878 54163317 108326634 234707707 469415414 704123121 1408246242