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154036540 = 22571100261
BaseRepresentation
bin10010010111001…
…10100100111100
3101201211212102001
421023212210330
5303413132130
623141312044
73550201060
oct1113464474
9351755361
10154036540
1179a49a29
1243705624
1325bb32a8
1416659aa0
15d7ca6ca
hex92e693c

154036540 has 24 divisors (see below), whose sum is σ = 369688032. Its totient is φ = 52812480.

The previous prime is 154036501. The next prime is 154036573. The reversal of 154036540 is 45630451.

154036540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 154036499 and 154036508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549991 + ... + 550270.

It is an arithmetic number, because the mean of its divisors is an integer number (15403668).

Almost surely, 2154036540 is an apocalyptic number.

154036540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154036540 is an abundant number, since it is smaller than the sum of its proper divisors (215651492).

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

154036540 is a wasteful number, since it uses less digits than its factorization.

154036540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100277 (or 1100275 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 154036540 is about 12411.1457972260. The cubic root of 154036540 is about 536.0532313287.

Adding to 154036540 its reverse (45630451), we get a palindrome (199666991).

The spelling of 154036540 in words is "one hundred fifty-four million, thirty-six thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1100261 2200522 4401044 5501305 7701827 11002610 15403654 22005220 30807308 38509135 77018270 154036540