Search a number
-
+
149442948 = 22331383731
BaseRepresentation
bin10001110100001…
…01000110000100
3101102012111012000
420322011012010
5301224133243
622455025300
73463146504
oct1072050604
9342174160
10149442948
11773a1776
124206b230
1324c654a5
1415bc1a04
15d1be5d3
hex8e85184

149442948 has 24 divisors (see below), whose sum is σ = 387444960. Its totient is φ = 49814280.

The previous prime is 149442947. The next prime is 149442959. The reversal of 149442948 is 849244941.

It is not an unprimeable number, because it can be changed into a prime (149442947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691758 + ... + 691973.

It is an arithmetic number, because the mean of its divisors is an integer number (16143540).

Almost surely, 2149442948 is an apocalyptic number.

149442948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149442948 is an abundant number, since it is smaller than the sum of its proper divisors (238002012).

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

149442948 is a wasteful number, since it uses less digits than its factorization.

149442948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383744 (or 1383736 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 149442948 is about 12224.6860082376. The cubic root of 149442948 is about 530.6707397298.

The spelling of 149442948 in words is "one hundred forty-nine million, four hundred forty-two thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1383731 2767462 4151193 5534924 8302386 12453579 16604772 24907158 37360737 49814316 74721474 149442948