Base | Representation |
---|---|
bin | 1001010011000… |
… | …0011001100010 |
3 | 2201101011211210 |
4 | 2110300121202 |
5 | 34440324204 |
6 | 3511450550 |
7 | 652312443 |
oct | 224603142 |
9 | 81334753 |
10 | 38995554 |
11 | 20014a34 |
12 | 11086a56 |
13 | 81045c0 |
14 | 52712ca |
15 | 3654389 |
hex | 2530662 |
38995554 has 16 divisors (see below), whose sum is σ = 83990592. Its totient is φ = 11998608.
The previous prime is 38995549. The next prime is 38995573. The reversal of 38995554 is 45559983.
It is a happy 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, 249894 + ... + 250049.
It is an arithmetic number, because the mean of its divisors is an integer number (5249412).
Almost surely, 238995554 is an apocalyptic number.
38995554 is an abundant number, since it is smaller than the sum of its proper divisors (44995038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38995554 is a wasteful number, since it uses less digits than its factorization.
38995554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 499961.
The product of its digits is 972000, while the sum is 48.
The square root of 38995554 is about 6244.6420233669. The cubic root of 38995554 is about 339.1082572082.
It can be divided in two parts, 3899 and 5554, that added together give a triangular number (9453 = T137).
The spelling of 38995554 in words is "thirty-eight million, nine hundred ninety-five thousand, five hundred fifty-four".
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