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356422240 = 2552227639
BaseRepresentation
bin10101001111101…
…001001001100000
3220211200010101201
4111033221021200
51212221002430
655211210544
711555352616
oct2517511140
9824603351
10356422240
11173211339
129b446a54
1358ac4445
143549d6b6
15214568ca
hex153e9260

356422240 has 24 divisors (see below), whose sum is σ = 842047920. Its totient is φ = 142568832.

The previous prime is 356422219. The next prime is 356422247. The reversal of 356422240 is 42224653.

It is a junction number, because it is equal to n+sod(n) for n = 356422199 and 356422208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356422247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113660 + ... + 1113979.

It is an arithmetic number, because the mean of its divisors is an integer number (35085330).

Almost surely, 2356422240 is an apocalyptic number.

It is an amenable number.

356422240 is an abundant number, since it is smaller than the sum of its proper divisors (485625680).

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

356422240 is a wasteful number, since it uses less digits than its factorization.

356422240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227654 (or 2227646 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 356422240 is about 18879.1482858735. The cubic root of 356422240 is about 709.0141975867.

Adding to 356422240 its reverse (42224653), we get a palindrome (398646893).

The spelling of 356422240 in words is "three hundred fifty-six million, four hundred twenty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2227639 4455278 8910556 11138195 17821112 22276390 35642224 44552780 71284448 89105560 178211120 356422240