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4215292540 = 225210764627
BaseRepresentation
bin1111101101000000…
…0100001001111100
3101212202211001021221
43323100010021330
532113103330130
61534140203124
7206313252424
oct37320041174
911782731257
104215292540
111873471748
129978394a4
13522401554
142bdb97484
1519a10087a
hexfb40427c

4215292540 has 12 divisors (see below), whose sum is σ = 8852114376. Its totient is φ = 1686117008.

The previous prime is 4215292463. The next prime is 4215292553. The reversal of 4215292540 is 452925124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4215292496 and 4215292505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105382294 + ... + 105382333.

It is an arithmetic number, because the mean of its divisors is an integer number (737676198).

Almost surely, 24215292540 is an apocalyptic number.

It is an amenable number.

4215292540 is an abundant number, since it is smaller than the sum of its proper divisors (4636821836).

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

4215292540 is a wasteful number, since it uses less digits than its factorization.

4215292540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210764636 (or 210764634 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 4215292540 is about 64925.2842889425. The cubic root of 4215292540 is about 1615.3844822594.

The spelling of 4215292540 in words is "four billion, two hundred fifteen million, two hundred ninety-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 210764627 421529254 843058508 1053823135 2107646270 4215292540