Search a number
-
+
147471420 = 223522910733
BaseRepresentation
bin10001100101000…
…11110000111100
3101021111022202110
420302203300330
5300223041140
622344454020
73440325555
oct1062436074
9337438673
10147471420
1176275508
124147a310
1324724cc5
141582b32c
15ce30380
hex8ca3c3c

147471420 has 48 divisors (see below), whose sum is σ = 414761760. Its totient is φ = 39150336.

The previous prime is 147471419. The next prime is 147471421. The reversal of 147471420 is 24174741.

It is an interprime number because it is at equal distance from previous prime (147471419) and next prime (147471421).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147471421) 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 15 ways as a sum of consecutive naturals, for example, 8374 + ... + 19106.

It is an arithmetic number, because the mean of its divisors is an integer number (8640870).

Almost surely, 2147471420 is an apocalyptic number.

147471420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147471420 is an abundant number, since it is smaller than the sum of its proper divisors (267290340).

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

147471420 is a wasteful number, since it uses less digits than its factorization.

147471420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10974 (or 10972 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 147471420 is about 12143.7811245098. The cubic root of 147471420 is about 528.3267748779.

The spelling of 147471420 in words is "one hundred forty-seven million, four hundred seventy-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 229 458 687 916 1145 1374 2290 2748 3435 4580 6870 10733 13740 21466 32199 42932 53665 64398 107330 128796 160995 214660 321990 643980 2457857 4915714 7373571 9831428 12289285 14747142 24578570 29494284 36867855 49157140 73735710 147471420