Search a number
-
+
2214650040 = 233518455417
BaseRepresentation
bin1000010000000000…
…1110000010111000
312201100020212201120
42010000032002320
514013422300130
61003431345240
7105611133441
oct20400160270
95640225646
102214650040
11a37126399
12519822220
13293a90915
141701b22c8
15ce662910
hex8400e0b8

2214650040 has 32 divisors (see below), whose sum is σ = 6643950480. Its totient is φ = 590573312.

The previous prime is 2214649991. The next prime is 2214650041. The reversal of 2214650040 is 400564122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214650041) 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, 9227589 + ... + 9227828.

Almost surely, 22214650040 is an apocalyptic number.

2214650040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214650040 is an abundant number, since it is smaller than the sum of its proper divisors (4429300440).

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

2214650040 is a wasteful number, since it uses less digits than its factorization.

2214650040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455431 (or 18455427 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2214650040 is about 47060.0684232397. The cubic root of 2214650040 is about 1303.4719891092.

The spelling of 2214650040 in words is "two billion, two hundred fourteen million, six hundred fifty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 18455417 36910834 55366251 73821668 92277085 110732502 147643336 184554170 221465004 276831255 369108340 442930008 553662510 738216680 1107325020 2214650040