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148989162 = 23731412791
BaseRepresentation
bin10001110000101…
…10010011101010
3101101100102201010
420320112103222
5301120123122
622441204350
73456246510
oct1070262352
9341312633
10148989162
1177111843
1241a906b6
1324b36a8a
1415b044b0
15d12ee0c
hex8e164ea

148989162 has 64 divisors (see below), whose sum is σ = 360235008. Its totient is φ = 40176000.

The previous prime is 148989143. The next prime is 148989163. The reversal of 148989162 is 261989841.

It is not an unprimeable number, because it can be changed into a prime (148989163) 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 31 ways as a sum of consecutive naturals, for example, 51987 + ... + 54777.

It is an arithmetic number, because the mean of its divisors is an integer number (5628672).

Almost surely, 2148989162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148989162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180117504).

148989162 is an abundant number, since it is smaller than the sum of its proper divisors (211245846).

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

148989162 is a wasteful number, since it uses less digits than its factorization.

148989162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875.

The product of its digits is 248832, while the sum is 48.

The square root of 148989162 is about 12206.1116658828. Note that the first 3 decimals coincide. The cubic root of 148989162 is about 530.1330649634.

The spelling of 148989162 in words is "one hundred forty-eight million, nine hundred eighty-nine thousand, one hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 31 41 42 62 82 93 123 186 217 246 287 434 574 651 861 1271 1302 1722 2542 2791 3813 5582 7626 8373 8897 16746 17794 19537 26691 39074 53382 58611 86521 114431 117222 173042 228862 259563 343293 519126 605647 686586 801017 1211294 1602034 1816941 2403051 3547361 3633882 4806102 7094722 10642083 21284166 24831527 49663054 74494581 148989162