Search a number
-
+
2154224501 = 111341367427
BaseRepresentation
bin1000000001100110…
…1101101101110101
312120010112221110122
42000121231231311
513402440141001
6553432301325
7104245414622
oct20031555565
95503487418
102154224501
11a06004830
12501541845
132843c5070
14166163349
15c91c8b1b
hex8066db75

2154224501 has 16 divisors (see below), whose sum is σ = 2592571968. Its totient is φ = 1763644800.

The previous prime is 2154224491. The next prime is 2154224509. The reversal of 2154224501 is 1054224512.

2154224501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2154224501 - 218 = 2153962357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154224509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177851 + ... + 189576.

It is an arithmetic number, because the mean of its divisors is an integer number (162035748).

Almost surely, 22154224501 is an apocalyptic number.

It is an amenable number.

2154224501 is a deficient number, since it is larger than the sum of its proper divisors (438347467).

2154224501 is a wasteful number, since it uses less digits than its factorization.

2154224501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367492.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2154224501 is about 46413.6240881920. The cubic root of 2154224501 is about 1291.5076619775.

The spelling of 2154224501 in words is "two billion, one hundred fifty-four million, two hundred twenty-four thousand, five hundred one".

Divisors: 1 11 13 41 143 451 533 5863 367427 4041697 4776551 15064507 52542061 165709577 195838591 2154224501