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4244280372 = 2232793594157
BaseRepresentation
bin1111110011111010…
…1001010000110100
3101221210100210010100
43330332221100310
532143013432442
61541053354100
7210114534153
oct37476512064
911853323110
104244280372
111888870732
129a5498930
13528410907
142c398159a
1519c92984c
hexfcfa9434

4244280372 has 72 divisors (see below), whose sum is σ = 10897286400. Its totient is φ = 1392625728.

The previous prime is 4244280361. The next prime is 4244280373. The reversal of 4244280372 is 2730824424.

4244280372 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 280 + 372 = 666.

It is a super-2 number, since 2×42442803722 = 36027831752288916768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244280373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018918 + ... + 1023074.

It is an arithmetic number, because the mean of its divisors is an integer number (151351200).

Almost surely, 24244280372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4244280372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5448643200).

4244280372 is an abundant number, since it is smaller than the sum of its proper divisors (6653006028).

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

4244280372 is a wasteful number, since it uses less digits than its factorization.

4244280372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605 (or 4600 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 4244280372 is about 65148.1417386559. The cubic root of 4244280372 is about 1619.0789322923.

The spelling of 4244280372 in words is "four billion, two hundred forty-four million, two hundred eighty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 237 316 359 474 711 718 948 1077 1422 1436 2154 2844 3231 4157 4308 6462 8314 12471 12924 16628 24942 28361 37413 49884 56722 74826 85083 113444 149652 170166 255249 328403 340332 510498 656806 985209 1020996 1313612 1492363 1970418 2955627 2984726 3940836 4477089 5911254 5969452 8954178 11822508 13431267 17908356 26862534 53725068 117896677 235793354 353690031 471586708 707380062 1061070093 1414760124 2122140186 4244280372